696412979 has 2 divisors, whose sum is σ = 696412980. Its totient is φ = 696412978.

The previous prime is 696412963. The next prime is 696413017. The reversal of 696412979 is 979214696.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 696412979 - 2⁴ = 696412963 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 696412979.

It is not a weakly prime, because it can be changed into another prime (696412949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348206489 + 348206490.

It is an arithmetic number, because the mean of its divisors is an integer number (348206490).

Almost surely, 2^696412979 is an apocalyptic number.

696412979 is a deficient number, since it is larger than the sum of its proper divisors (1).

696412979 is an equidigital number, since it uses as much as digits as its factorization.

696412979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 53.

The square root of 696412979 is about 26389.6377201355. The cubic root of 696412979 is about 886.3847702965.

The spelling of 696412979 in words is "six hundred ninety-six million, four hundred twelve thousand, nine hundred seventy-nine".