38915741813563 has 4 divisors (see below), whose sum is σ = 38922640550248. Its totient is φ = 38908843076880.

The previous prime is 38915741813561. The next prime is 38915741813573. The reversal of 38915741813563 is 36531814751983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38915741813563 - 2¹ = 38915741813561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38915741813495 and 38915741813504.

It is not an unprimeable number, because it can be changed into a prime (38915741813561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3449359881 + ... + 3449371162.

It is an arithmetic number, because the mean of its divisors is an integer number (9730660137562).

Almost surely, 2^{38915741813563} is an apocalyptic number.

38915741813563 is a deficient number, since it is larger than the sum of its proper divisors (6898736685).

38915741813563 is an equidigital number, since it uses as much as digits as its factorization.

38915741813563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6898736684.

The product of its digits is 65318400, while the sum is 64.

The spelling of 38915741813563 in words is "thirty-eight trillion, nine hundred fifteen billion, seven hundred forty-one million, eight hundred thirteen thousand, five hundred sixty-three".