38646038554 has 4 divisors (see below), whose sum is σ = 57969057834. Its totient is φ = 19323019276.

The previous prime is 38646038549. The next prime is 38646038701. The reversal of 38646038554 is 45583064683.

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

It can be written as a sum of positive squares in only one way, i.e., 24962420025 + 13683618529 = 157995^2 + 116977^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9661509637 + ... + 9661509640.

Almost surely, 2^38646038554 is an apocalyptic number.

38646038554 is a deficient number, since it is larger than the sum of its proper divisors (19323019280).

38646038554 is a wasteful number, since it uses less digits than its factorization.

38646038554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19323019279.

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 38646038554 in words is "thirty-eight billion, six hundred forty-six million, thirty-eight thousand, five hundred fifty-four".