38675772686513 has 2 divisors, whose sum is σ = 38675772686514. Its totient is φ = 38675772686512.

The previous prime is 38675772686503. The next prime is 38675772686563. The reversal of 38675772686513 is 31568627757683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28432111559329 + 10243661127184 = 5332177^2 + 3200572^2 .

It is a cyclic number.

It is not a de Polignac number, because 38675772686513 - 2¹⁰ = 38675772685489 is a prime.

It is not a weakly prime, because it can be changed into another prime (38675772686503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19337886343256 + 19337886343257.

It is an arithmetic number, because the mean of its divisors is an integer number (19337886343257).

Almost surely, 2^{38675772686513} is an apocalyptic number.

It is an amenable number.

38675772686513 is a deficient number, since it is larger than the sum of its proper divisors (1).

38675772686513 is an equidigital number, since it uses as much as digits as its factorization.

38675772686513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2133734400, while the sum is 74.

The spelling of 38675772686513 in words is "thirty-eight trillion, six hundred seventy-five billion, seven hundred seventy-two million, six hundred eighty-six thousand, five hundred thirteen".