38956344655 has 8 divisors (see below), whose sum is σ = 46768193712. Its totient is φ = 31151355648.

The previous prime is 38956344653. The next prime is 38956344671. The reversal of 38956344655 is 55644365983.

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

It is a cyclic number.

It is not a de Polignac number, because 38956344655 - 2¹ = 38956344653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38956344655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38956344653) 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, 1702509 + ... + 1725238.

It is an arithmetic number, because the mean of its divisors is an integer number (5846024214).

Almost surely, 2^38956344655 is an apocalyptic number.

38956344655 is a deficient number, since it is larger than the sum of its proper divisors (7811849057).

38956344655 is a wasteful number, since it uses less digits than its factorization.

38956344655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430025.

The product of its digits is 46656000, while the sum is 58.

The spelling of 38956344655 in words is "thirty-eight billion, nine hundred fifty-six million, three hundred forty-four thousand, six hundred fifty-five".