69634013 has 2 divisors, whose sum is σ = 69634014. Its totient is φ = 69634012.

The previous prime is 69634007. The next prime is 69634039. The reversal of 69634013 is 31043696.

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., 69189124 + 444889 = 8318^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 69634013 - 2¹⁰ = 69632989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69634073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34817006 + 34817007.

It is an arithmetic number, because the mean of its divisors is an integer number (34817007).

Almost surely, 2^69634013 is an apocalyptic number.

It is an amenable number.

69634013 is a deficient number, since it is larger than the sum of its proper divisors (1).

69634013 is an equidigital number, since it uses as much as digits as its factorization.

69634013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 69634013 is about 8344.6996950160. The cubic root of 69634013 is about 411.4090189201.

The spelling of 69634013 in words is "sixty-nine million, six hundred thirty-four thousand, thirteen".