30928872454 has 16 divisors (see below), whose sum is σ = 47115813888. Its totient is φ = 15223896072.

The previous prime is 30928872431. The next prime is 30928872461. The reversal of 30928872454 is 45427882903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139219 + ... + 285025.

It is an arithmetic number, because the mean of its divisors is an integer number (2944738368).

Almost surely, 2^30928872454 is an apocalyptic number.

30928872454 is a deficient number, since it is larger than the sum of its proper divisors (16186941434).

30928872454 is a wasteful number, since it uses less digits than its factorization.

30928872454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147459.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 30928872454 in words is "thirty billion, nine hundred twenty-eight million, eight hundred seventy-two thousand, four hundred fifty-four".