38315547813 has 16 divisors (see below), whose sum is σ = 51885505152. Its totient is φ = 25145736000.

The previous prime is 38315547811. The next prime is 38315547821. The reversal of 38315547813 is 31874551383.

It is not a de Polignac number, because 38315547813 - 2¹ = 38315547811 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38315547811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4723 + ... + 276863.

It is an arithmetic number, because the mean of its divisors is an integer number (3242844072).

Almost surely, 2^38315547813 is an apocalyptic number.

It is an amenable number.

38315547813 is a deficient number, since it is larger than the sum of its proper divisors (13569957339).

38315547813 is a wasteful number, since it uses less digits than its factorization.

38315547813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272876.

The product of its digits is 1209600, while the sum is 48.

The spelling of 38315547813 in words is "thirty-eight billion, three hundred fifteen million, five hundred forty-seven thousand, eight hundred thirteen".