38663899250 has 32 divisors (see below), whose sum is σ = 74335021488. Its totient is φ = 15047568000.

The previous prime is 38663899247. The next prime is 38663899259. The reversal of 38663899250 is 5299836683.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7083410569 + 31580488681 = 84163^2 + 177709^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38663899250.

It is not an unprimeable number, because it can be changed into a prime (38663899259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2080691 + ... + 2099190.

Almost surely, 2^38663899250 is an apocalyptic number.

38663899250 is a deficient number, since it is larger than the sum of its proper divisors (35671122238).

38663899250 is a wasteful number, since it uses less digits than its factorization.

38663899250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179935 (or 4179925 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 59.

The spelling of 38663899250 in words is "thirty-eight billion, six hundred sixty-three million, eight hundred ninety-nine thousand, two hundred fifty".