37949925138 has 8 divisors (see below), whose sum is σ = 75899850288. Its totient is φ = 12649975044.

The previous prime is 37949925137. The next prime is 37949925151. The reversal of 37949925138 is 83152994973.

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

37949925138 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (37949925137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3162493756 + ... + 3162493767.

It is an arithmetic number, because the mean of its divisors is an integer number (9487481286).

Almost surely, 2^37949925138 is an apocalyptic number.

37949925138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

37949925138 is a wasteful number, since it uses less digits than its factorization.

37949925138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324987528.

The product of its digits is 14696640, while the sum is 60.

The spelling of 37949925138 in words is "thirty-seven billion, nine hundred forty-nine million, nine hundred twenty-five thousand, one hundred thirty-eight".