30918818797 has 8 divisors (see below), whose sum is σ = 30980275200. Its totient is φ = 30857420784.

The previous prime is 30918818789. The next prime is 30918818809. The reversal of 30918818797 is 79781881903.

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 30918818797 - 2³ = 30918818789 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 (30918818717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133404 + ... + 1160362.

It is an arithmetic number, because the mean of its divisors is an integer number (3872534400).

Almost surely, 2^30918818797 is an apocalyptic number.

It is an amenable number.

30918818797 is a deficient number, since it is larger than the sum of its proper divisors (61456403).

30918818797 is a wasteful number, since it uses less digits than its factorization.

30918818797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29195.

The product of its (nonzero) digits is 6096384, while the sum is 61.

The spelling of 30918818797 in words is "thirty billion, nine hundred eighteen million, eight hundred eighteen thousand, seven hundred ninety-seven".