38757138261 has 8 divisors (see below), whose sum is σ = 52775677824. Its totient is φ = 25288345440.

The previous prime is 38757138229. The next prime is 38757138263. The reversal of 38757138261 is 16283175783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38757138261 - 2⁵ = 38757138229 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38757138263) 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 7 ways as a sum of consecutive naturals, for example, 137436520 + ... + 137436801.

It is an arithmetic number, because the mean of its divisors is an integer number (6596959728).

Almost surely, 2^38757138261 is an apocalyptic number.

It is an amenable number.

38757138261 is a deficient number, since it is larger than the sum of its proper divisors (14018539563).

38757138261 is a wasteful number, since it uses less digits than its factorization.

38757138261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274873371.

The product of its digits is 1693440, while the sum is 51.

The spelling of 38757138261 in words is "thirty-eight billion, seven hundred fifty-seven million, one hundred thirty-eight thousand, two hundred sixty-one".