69364979 has 2 divisors, whose sum is σ = 69364980. Its totient is φ = 69364978.

The previous prime is 69364961. The next prime is 69365003. The reversal of 69364979 is 97946396.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69364979 - 2¹² = 69360883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69364979.

It is not a weakly prime, because it can be changed into another prime (69364279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34682489 + 34682490.

It is an arithmetic number, because the mean of its divisors is an integer number (34682490).

Almost surely, 2^69364979 is an apocalyptic number.

69364979 is a deficient number, since it is larger than the sum of its proper divisors (1).

69364979 is an equidigital number, since it uses as much as digits as its factorization.

69364979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 53.

The square root of 69364979 is about 8328.5640418982. The cubic root of 69364979 is about 410.8785029705.

The spelling of 69364979 in words is "sixty-nine million, three hundred sixty-four thousand, nine hundred seventy-nine".