38913243012 has 72 divisors (see below), whose sum is σ = 112434818496. Its totient is φ = 11116211904.

The previous prime is 38913242971. The next prime is 38913243041. The reversal of 38913243012 is 21034231983.

38913243012 is a `hidden beast` number, since 3 + 89 + 132 + 430 + 12 = 666.

38913243012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2369943 + ... + 2386305.

Almost surely, 2^38913243012 is an apocalyptic number.

It is an amenable number.

38913243012 is an abundant number, since it is smaller than the sum of its proper divisors (73521575484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38913243012 is a wasteful number, since it uses less digits than its factorization.

38913243012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25817 (or 25812 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

Adding to 38913243012 its reverse (21034231983), we get a palindrome (59947474995).

The spelling of 38913243012 in words is "thirty-eight billion, nine hundred thirteen million, two hundred forty-three thousand, twelve".