30417088921 has 8 divisors (see below), whose sum is σ = 31904029440. Its totient is φ = 28943853312.

The previous prime is 30417088901. The next prime is 30417088951. The reversal of 30417088921 is 12988071403.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30417088921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30417088901) 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, 3421681 + ... + 3430558.

It is an arithmetic number, because the mean of its divisors is an integer number (3988003680).

Almost surely, 2^30417088921 is an apocalyptic number.

It is an amenable number.

30417088921 is a deficient number, since it is larger than the sum of its proper divisors (1486940519).

30417088921 is a wasteful number, since it uses less digits than its factorization.

30417088921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852455.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 30417088921 in words is "thirty billion, four hundred seventeen million, eighty-eight thousand, nine hundred twenty-one".