37979996737 has 2 divisors, whose sum is σ = 37979996738. Its totient is φ = 37979996736.

The previous prime is 37979996731. The next prime is 37979996753. The reversal of 37979996737 is 73769997973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33811486641 + 4168510096 = 183879^2 + 64564^2 .

It is a cyclic number.

It is not a de Polignac number, because 37979996737 - 2³ = 37979996729 is a prime.

It is not a weakly prime, because it can be changed into another prime (37979996731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18989998368 + 18989998369.

It is an arithmetic number, because the mean of its divisors is an integer number (18989998369).

Almost surely, 2^37979996737 is an apocalyptic number.

It is an amenable number.

37979996737 is a deficient number, since it is larger than the sum of its proper divisors (1).

37979996737 is an equidigital number, since it uses as much as digits as its factorization.

37979996737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 850659894, while the sum is 76.

The spelling of 37979996737 in words is "thirty-seven billion, nine hundred seventy-nine million, nine hundred ninety-six thousand, seven hundred thirty-seven".