38656394801 has 4 divisors (see below), whose sum is σ = 38656794432. Its totient is φ = 38655995172.

The previous prime is 38656394789. The next prime is 38656394831. The reversal of 38656394801 is 10849365683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 38656394801 - 2¹⁸ = 38656132657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38656394831) 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, 46460 + ... + 281906.

It is an arithmetic number, because the mean of its divisors is an integer number (9664198608).

Almost surely, 2^38656394801 is an apocalyptic number.

It is an amenable number.

38656394801 is a deficient number, since it is larger than the sum of its proper divisors (399631).

38656394801 is a wasteful number, since it uses less digits than its factorization.

38656394801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399630.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 38656394801 in words is "thirty-eight billion, six hundred fifty-six million, three hundred ninety-four thousand, eight hundred one".