38765540513 has 16 divisors (see below), whose sum is σ = 44858511360. Its totient is φ = 32813131536.

The previous prime is 38765540491. The next prime is 38765540543. The reversal of 38765540513 is 31504556783.

It is a cyclic number.

It is not a de Polignac number, because 38765540513 - 2⁸ = 38765540257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38765540543) 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, 183956 + ... + 333722.

It is an arithmetic number, because the mean of its divisors is an integer number (2803656960).

Almost surely, 2^38765540513 is an apocalyptic number.

It is an amenable number.

38765540513 is a deficient number, since it is larger than the sum of its proper divisors (6092970847).

38765540513 is a wasteful number, since it uses less digits than its factorization.

38765540513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150236.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 38765540513 in words is "thirty-eight billion, seven hundred sixty-five million, five hundred forty thousand, five hundred thirteen".