38751533965 has 16 divisors (see below), whose sum is σ = 47791275840. Its totient is φ = 30146532480.

The previous prime is 38751533921. The next prime is 38751533971. The reversal of 38751533965 is 56933515783.

38751533965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38751533965 - 2²¹ = 38749436813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244935 + ... + 370804.

It is an arithmetic number, because the mean of its divisors is an integer number (2986954740).

Almost surely, 2^38751533965 is an apocalyptic number.

It is an amenable number.

38751533965 is a deficient number, since it is larger than the sum of its proper divisors (9039741875).

38751533965 is a wasteful number, since it uses less digits than its factorization.

38751533965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616092.

The product of its digits is 10206000, while the sum is 55.

The spelling of 38751533965 in words is "thirty-eight billion, seven hundred fifty-one million, five hundred thirty-three thousand, nine hundred sixty-five".