30634398913 has 2 divisors, whose sum is σ = 30634398914. Its totient is φ = 30634398912.

The previous prime is 30634398857. The next prime is 30634398929. The reversal of 30634398913 is 31989343603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30594557569 + 39841344 = 174913^2 + 6312^2 .

It is a cyclic number.

It is not a de Polignac number, because 30634398913 - 2²⁵ = 30600844481 is a prime.

It is not a weakly prime, because it can be changed into another prime (30634398713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15317199456 + 15317199457.

It is an arithmetic number, because the mean of its divisors is an integer number (15317199457).

Almost surely, 2^30634398913 is an apocalyptic number.

It is an amenable number.

30634398913 is a deficient number, since it is larger than the sum of its proper divisors (1).

30634398913 is an equidigital number, since it uses as much as digits as its factorization.

30634398913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 49.

The spelling of 30634398913 in words is "thirty billion, six hundred thirty-four million, three hundred ninety-eight thousand, nine hundred thirteen".