30909390717 has 8 divisors (see below), whose sum is σ = 42089383296. Its totient is φ = 20167829312.

The previous prime is 30909390679. The next prime is 30909390731. The reversal of 30909390717 is 71709390903.

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 30909390717 - 2¹⁴ = 30909374333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30909390737) 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, 109607628 + ... + 109607909.

It is an arithmetic number, because the mean of its divisors is an integer number (5261172912).

Almost surely, 2^30909390717 is an apocalyptic number.

It is an amenable number.

30909390717 is a deficient number, since it is larger than the sum of its proper divisors (11179992579).

30909390717 is a wasteful number, since it uses less digits than its factorization.

30909390717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219215587.

The product of its (nonzero) digits is 321489, while the sum is 48.

The spelling of 30909390717 in words is "thirty billion, nine hundred nine million, three hundred ninety thousand, seven hundred seventeen".