37949917825 has 12 divisors (see below), whose sum is σ = 47153754288. Its totient is φ = 30298091600.

The previous prime is 37949917823. The next prime is 37949917849. The reversal of 37949917825 is 52871994973.

It is not a de Polignac number, because 37949917825 - 2¹ = 37949917823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37949917823) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 1533547 + ... + 1558096.

It is an arithmetic number, because the mean of its divisors is an integer number (3929479524).

Almost surely, 2^37949917825 is an apocalyptic number.

It is an amenable number.

37949917825 is a deficient number, since it is larger than the sum of its proper divisors (9203836463).

37949917825 is a wasteful number, since it uses less digits than its factorization.

37949917825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092144 (or 3092139 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 64.

The spelling of 37949917825 in words is "thirty-seven billion, nine hundred forty-nine million, nine hundred seventeen thousand, eight hundred twenty-five".