13900458866 has 12 divisors (see below), whose sum is σ = 24254882478. Its totient is φ = 5957339472.

The previous prime is 13900458853. The next prime is 13900458889. The reversal of 13900458866 is 66885400931.

It can be written as a sum of positive squares in only one way, i.e., 8094780841 + 5805678025 = 89971^2 + 76195^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70920611 + ... + 70920806.

Almost surely, 2^13900458866 is an apocalyptic number.

13900458866 is a deficient number, since it is larger than the sum of its proper divisors (10354423612).

13900458866 is a wasteful number, since it uses less digits than its factorization.

13900458866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141841433 (or 141841426 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 13900458866 in words is "thirteen billion, nine hundred million, four hundred fifty-eight thousand, eight hundred sixty-six".