69908413 has 2 divisors, whose sum is σ = 69908414. Its totient is φ = 69908412.

The previous prime is 69908407. The next prime is 69908417. The reversal of 69908413 is 31480996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59397849 + 10510564 = 7707^2 + 3242^2 .

It is a cyclic number.

It is not a de Polignac number, because 69908413 - 2²⁵ = 36353981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69908417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34954206 + 34954207.

It is an arithmetic number, because the mean of its divisors is an integer number (34954207).

Almost surely, 2^69908413 is an apocalyptic number.

It is an amenable number.

69908413 is a deficient number, since it is larger than the sum of its proper divisors (1).

69908413 is an equidigital number, since it uses as much as digits as its factorization.

69908413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 69908413 is about 8361.1251037166. The cubic root of 69908413 is about 411.9487105066.

The spelling of 69908413 in words is "sixty-nine million, nine hundred eight thousand, four hundred thirteen".