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69908413609 is a prime number
BaseRepresentation
bin100000100011011011…
…1011011110010101001
320200110001000100222001
41001012313123302221
52121133023213414
652040535531001
75023252465636
oct1010667336251
9220401010861
1069908413609
1127714527941
1211670229a61
13679148b618
1435527b518d
151c4256e074
hex1046ddbca9

69908413609 has 2 divisors, whose sum is σ = 69908413610. Its totient is φ = 69908413608.

The previous prime is 69908413583. The next prime is 69908413613. The reversal of 69908413609 is 90631480996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53974905625 + 15933507984 = 232325^2 + 126228^2 .

It is a cyclic number.

It is not a de Polignac number, because 69908413609 - 221 = 69906316457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69908413609.

It is not a weakly prime, because it can be changed into another prime (69908413009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34954206804 + 34954206805.

It is an arithmetic number, because the mean of its divisors is an integer number (34954206805).

Almost surely, 269908413609 is an apocalyptic number.

It is an amenable number.

69908413609 is a deficient number, since it is larger than the sum of its proper divisors (1).

69908413609 is an equidigital number, since it uses as much as digits as its factorization.

69908413609 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 spelling of 69908413609 in words is "sixty-nine billion, nine hundred eight million, four hundred thirteen thousand, six hundred nine".