39374737920013 has 2 divisors, whose sum is σ = 39374737920014. Its totient is φ = 39374737920012.

The previous prime is 39374737919987. The next prime is 39374737920031. The reversal of 39374737920013 is 31002973747393.

Together with next prime (39374737920031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26664386355049 + 12710351564964 = 5163757^2 + 3565158^2 .

It is a cyclic number.

It is not a de Polignac number, because 39374737920013 - 2²¹ = 39374735822861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39374737920013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39374737920053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19687368960006 + 19687368960007.

It is an arithmetic number, because the mean of its divisors is an integer number (19687368960007).

Almost surely, 2^{39374737920013} is an apocalyptic number.

It is an amenable number.

39374737920013 is a deficient number, since it is larger than the sum of its proper divisors (1).

39374737920013 is an equidigital number, since it uses as much as digits as its factorization.

39374737920013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18003384, while the sum is 58.

The spelling of 39374737920013 in words is "thirty-nine trillion, three hundred seventy-four billion, seven hundred thirty-seven million, nine hundred twenty thousand, thirteen".