38365431316387 has 16 divisors (see below), whose sum is σ = 43975333639872. Its totient is φ = 32787939824640.

The previous prime is 38365431316343. The next prime is 38365431316397. The reversal of 38365431316387 is 78361313456383.

It is a de Polignac number, because none of the positive numbers 2^k-38365431316387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38365431316337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1820568 + ... + 8946805.

It is an arithmetic number, because the mean of its divisors is an integer number (2748458352492).

Almost surely, 2^{38365431316387} is an apocalyptic number.

38365431316387 is a deficient number, since it is larger than the sum of its proper divisors (5609902323485).

38365431316387 is a wasteful number, since it uses less digits than its factorization.

38365431316387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10768878.

The product of its digits is 78382080, while the sum is 61.

The spelling of 38365431316387 in words is "thirty-eight trillion, three hundred sixty-five billion, four hundred thirty-one million, three hundred sixteen thousand, three hundred eighty-seven".