37808131994 has 8 divisors (see below), whose sum is σ = 56720230560. Its totient is φ = 18901388476.

The previous prime is 37808131979. The next prime is 37808131997. The reversal of 37808131994 is 49913180873.

37808131994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (37808131997) 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, 1321064 + ... + 1349379.

It is an arithmetic number, because the mean of its divisors is an integer number (7090028820).

Almost surely, 2^37808131994 is an apocalyptic number.

37808131994 is a deficient number, since it is larger than the sum of its proper divisors (18912098566).

37808131994 is a wasteful number, since it uses less digits than its factorization.

37808131994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677524.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 37808131994 in words is "thirty-seven billion, eight hundred eight million, one hundred thirty-one thousand, nine hundred ninety-four".