38108991124 has 6 divisors (see below), whose sum is σ = 66690734474. Its totient is φ = 19054495560.

The previous prime is 38108991119. The next prime is 38108991131. The reversal of 38108991124 is 42119980183.

It can be written as a sum of positive squares in only one way, i.e., 26509701124 + 11599290000 = 162818^2 + 107700^2 .

It is a super-2 number, since 2×38108991124² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4763623887 + ... + 4763623894.

Almost surely, 2^38108991124 is an apocalyptic number.

It is an amenable number.

38108991124 is a deficient number, since it is larger than the sum of its proper divisors (28581743350).

38108991124 is a wasteful number, since it uses less digits than its factorization.

38108991124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9527247785 (or 9527247783 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The spelling of 38108991124 in words is "thirty-eight billion, one hundred eight million, nine hundred ninety-one thousand, one hundred twenty-four".