964742893 has 2 divisors, whose sum is σ = 964742894. Its totient is φ = 964742892.

The previous prime is 964742887. The next prime is 964742953. The reversal of 964742893 is 398247469.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 946054564 + 18688329 = 30758^2 + 4323^2 .

It is an emirp because it is prime and its reverse (398247469) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-964742893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 964742893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (964742873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482371446 + 482371447.

It is an arithmetic number, because the mean of its divisors is an integer number (482371447).

Almost surely, 2^964742893 is an apocalyptic number.

It is an amenable number.

964742893 is a deficient number, since it is larger than the sum of its proper divisors (1).

964742893 is an equidigital number, since it uses as much as digits as its factorization.

964742893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 52.

The square root of 964742893 is about 31060.3105747512. The cubic root of 964742893 is about 988.1067421840.

The spelling of 964742893 in words is "nine hundred sixty-four million, seven hundred forty-two thousand, eight hundred ninety-three".