38675801618563 has 4 divisors (see below), whose sum is σ = 38676456633528. Its totient is φ = 38675146603600.

The previous prime is 38675801618539. The next prime is 38675801618603. The reversal of 38675801618563 is 36581610857683.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38675801618563 - 2³⁷ = 38538362665091 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38675801618263) 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, 327418906 + ... + 327537007.

It is an arithmetic number, because the mean of its divisors is an integer number (9669114158382).

Almost surely, 2^{38675801618563} is an apocalyptic number.

38675801618563 is a deficient number, since it is larger than the sum of its proper divisors (655014965).

38675801618563 is an equidigital number, since it uses as much as digits as its factorization.

38675801618563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655014964.

The product of its (nonzero) digits is 174182400, while the sum is 67.

The spelling of 38675801618563 in words is "thirty-eight trillion, six hundred seventy-five billion, eight hundred one million, six hundred eighteen thousand, five hundred sixty-three".