13892490890 has 16 divisors (see below), whose sum is σ = 25868776680. Its totient is φ = 5365375680.

The previous prime is 13892490863. The next prime is 13892490923. The reversal of 13892490890 is 9809429831.

It can be written as a sum of positive squares in 4 ways, for example, as 13826702569 + 65788321 = 117587^2 + 8111^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23952281 + ... + 23952860.

Almost surely, 2^13892490890 is an apocalyptic number.

13892490890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13892490890 is a deficient number, since it is larger than the sum of its proper divisors (11976285790).

13892490890 is a wasteful number, since it uses less digits than its factorization.

13892490890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47905177.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 13892490890 in words is "thirteen billion, eight hundred ninety-two million, four hundred ninety thousand, eight hundred ninety".