202300887816989 has 8 divisors (see below), whose sum is σ = 217862680751352. Its totient is φ = 186739121479680.

The previous prime is 202300887816983. The next prime is 202300887817013. The reversal of 202300887816989 is 989618788003202.

It can be written as a sum of positive squares in 4 ways, for example, as 232758002500 + 202068129814489 = 482450^2 + 14215067^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202300887816989 - 2⁸ = 202300887816733 is a prime.

It is a super-2 number, since 2×202300887816989² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202300887816983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10854749 + ... + 22856669.

It is an arithmetic number, because the mean of its divisors is an integer number (27232835093919).

Almost surely, 2^{202300887816989} is an apocalyptic number.

It is an amenable number.

202300887816989 is a deficient number, since it is larger than the sum of its proper divisors (15561792934363).

202300887816989 is a wasteful number, since it uses less digits than its factorization.

202300887816989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13298527.

The product of its (nonzero) digits is 167215104, while the sum is 71.

The spelling of 202300887816989 in words is "two hundred two trillion, three hundred billion, eight hundred eighty-seven million, eight hundred sixteen thousand, nine hundred eighty-nine".