899456621456 has 20 divisors (see below), whose sum is σ = 1742725672704. Its totient is φ = 449720964000.

The previous prime is 899456621423. The next prime is 899456621489. The reversal of 899456621456 is 654126654998.

It is an interprime number because it is at equal distance from previous prime (899456621423) and next prime (899456621489).

It is a junction number, because it is equal to n+sod(n) for n = 899456621392 and 899456621401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629021 + ... + 1481411.

Almost surely, 2^899456621456 is an apocalyptic number.

It is an amenable number.

899456621456 is a deficient number, since it is larger than the sum of its proper divisors (843269051248).

899456621456 is a wasteful number, since it uses less digits than its factorization.

899456621456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918350 (or 918344 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 65.

The spelling of 899456621456 in words is "eight hundred ninety-nine billion, four hundred fifty-six million, six hundred twenty-one thousand, four hundred fifty-six".