30634398917 has 8 divisors (see below), whose sum is σ = 30684285720. Its totient is φ = 30584540160.

The previous prime is 30634398913. The next prime is 30634398929. The reversal of 30634398917 is 71989343603.

It can be written as a sum of positive squares in 4 ways, for example, as 2249225476 + 28385173441 = 47426^2 + 168479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30634398917 - 2² = 30634398913 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30634398913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3521309 + ... + 3529997.

It is an arithmetic number, because the mean of its divisors is an integer number (3835535715).

Almost surely, 2^30634398917 is an apocalyptic number.

It is an amenable number.

30634398917 is a deficient number, since it is larger than the sum of its proper divisors (49886803).

30634398917 is an equidigital number, since it uses as much as digits as its factorization.

30634398917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14023.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 30634398917 in words is "thirty billion, six hundred thirty-four million, three hundred ninety-eight thousand, nine hundred seventeen".