30438013915 has 16 divisors (see below), whose sum is σ = 36905220000. Its totient is φ = 24098002432.

The previous prime is 30438013871. The next prime is 30438013937. The reversal of 30438013915 is 51931083403.

It is a cyclic number.

It is not a de Polignac number, because 30438013915 - 2¹³ = 30438005723 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331461 + ... + 413209.

It is an arithmetic number, because the mean of its divisors is an integer number (2306576250).

Almost surely, 2^30438013915 is an apocalyptic number.

30438013915 is a deficient number, since it is larger than the sum of its proper divisors (6467206085).

30438013915 is a wasteful number, since it uses less digits than its factorization.

30438013915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82526.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 30438013915 in words is "thirty billion, four hundred thirty-eight million, thirteen thousand, nine hundred fifteen".