899364101643 has 24 divisors (see below), whose sum is σ = 1503457779200. Its totient is φ = 507416994864.

The previous prime is 899364101569. The next prime is 899364101653. The reversal of 899364101643 is 346101463998.

899364101643 is a `hidden beast` number, since 89 + 93 + 6 + 410 + 1 + 64 + 3 = 666.

It is not a de Polignac number, because 899364101643 - 2⁸ = 899364101387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 899364101643.

It is not an unprimeable number, because it can be changed into a prime (899364101653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90347053 + ... + 90357006.

Almost surely, 2^899364101643 is an apocalyptic number.

899364101643 is a deficient number, since it is larger than the sum of its proper divisors (604093677557).

899364101643 is a wasteful number, since it uses less digits than its factorization.

899364101643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180704151 (or 180704148 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 899364101643 in words is "eight hundred ninety-nine billion, three hundred sixty-four million, one hundred one thousand, six hundred forty-three".