38909368475 has 12 divisors (see below), whose sum is σ = 48259635144. Its totient is φ = 31119741120.

The previous prime is 38909368471. The next prime is 38909368499. The reversal of 38909368475 is 57486390983.

It is not a de Polignac number, because 38909368475 - 2² = 38909368471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38909368471) 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 11 ways as a sum of consecutive naturals, for example, 90389 + ... + 293238.

It is an arithmetic number, because the mean of its divisors is an integer number (4021636262).

Almost surely, 2^38909368475 is an apocalyptic number.

38909368475 is a deficient number, since it is larger than the sum of its proper divisors (9350266669).

38909368475 is a wasteful number, since it uses less digits than its factorization.

38909368475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387694 (or 387689 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 38909368475 in words is "thirty-eight billion, nine hundred nine million, three hundred sixty-eight thousand, four hundred seventy-five".