38555648564 has 6 divisors (see below), whose sum is σ = 67472384994. Its totient is φ = 19277824280.

The previous prime is 38555648533. The next prime is 38555648611. The reversal of 38555648564 is 46584655583.

It can be written as a sum of positive squares in only one way, i.e., 21744451600 + 16811196964 = 147460^2 + 129658^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4819456067 + ... + 4819456074.

It is an arithmetic number, because the mean of its divisors is an integer number (11245397499).

Almost surely, 2^38555648564 is an apocalyptic number.

It is an amenable number.

38555648564 is a deficient number, since it is larger than the sum of its proper divisors (28916736430).

38555648564 is a wasteful number, since it uses less digits than its factorization.

38555648564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9638912145 (or 9638912143 counting only the distinct ones).

The product of its digits is 69120000, while the sum is 59.

The spelling of 38555648564 in words is "thirty-eight billion, five hundred fifty-five million, six hundred forty-eight thousand, five hundred sixty-four".