38120475813 has 64 divisors (see below), whose sum is σ = 59653324800. Its totient is φ = 21205094400.

The previous prime is 38120475787. The next prime is 38120475871. The reversal of 38120475813 is 31857402183.

It is not a de Polignac number, because 38120475813 - 2⁸ = 38120475557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38120475013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84900613 + ... + 84901061.

It is an arithmetic number, because the mean of its divisors is an integer number (932083200).

Almost surely, 2^38120475813 is an apocalyptic number.

It is an amenable number.

38120475813 is a deficient number, since it is larger than the sum of its proper divisors (21532848987).

38120475813 is a wasteful number, since it uses less digits than its factorization.

38120475813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 161280, while the sum is 42.

Adding to 38120475813 its reverse (31857402183), we get a palindrome (69977877996).

The spelling of 38120475813 in words is "thirty-eight billion, one hundred twenty million, four hundred seventy-five thousand, eight hundred thirteen".