10103993864 has 8 divisors (see below), whose sum is σ = 18944988510. Its totient is φ = 5051996928.

The previous prime is 10103993839. The next prime is 10103993891. The reversal of 10103993864 is 46839930101.

It can be written as a sum of positive squares in only one way, i.e., 7851732100 + 2252261764 = 88610^2 + 47458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631499609 + ... + 631499624.

Almost surely, 2^10103993864 is an apocalyptic number.

It is an amenable number.

10103993864 is a deficient number, since it is larger than the sum of its proper divisors (8840994646).

10103993864 is a wasteful number, since it uses less digits than its factorization.

10103993864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262999239 (or 1262999235 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 10103993864 in words is "ten billion, one hundred three million, nine hundred ninety-three thousand, eight hundred sixty-four".