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966268909 is a prime number
BaseRepresentation
bin111001100110000…
…001011111101101
32111100012112202101
4321212001133231
53434331101114
6235514255101
732642102344
oct7146013755
92440175671
10966268909
11456485151
1222b727491
13125259b68
149248ab5b
1559c6bd74
hex399817ed

966268909 has 2 divisors, whose sum is σ = 966268910. Its totient is φ = 966268908.

The previous prime is 966268907. The next prime is 966268937. The reversal of 966268909 is 909862669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 829612809 + 136656100 = 28803^2 + 11690^2 .

It is an emirp because it is prime and its reverse (909862669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 966268909 - 21 = 966268907 is a prime.

Together with 966268907, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 966268909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (966268907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483134454 + 483134455.

It is an arithmetic number, because the mean of its divisors is an integer number (483134455).

Almost surely, 2966268909 is an apocalyptic number.

It is an amenable number.

966268909 is a deficient number, since it is larger than the sum of its proper divisors (1).

966268909 is an equidigital number, since it uses as much as digits as its factorization.

966268909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The square root of 966268909 is about 31084.8662374474. The cubic root of 966268909 is about 988.6274585899.

The spelling of 966268909 in words is "nine hundred sixty-six million, two hundred sixty-eight thousand, nine hundred nine".