899931390190 has 64 divisors (see below), whose sum is σ = 1981752998400. Its totient is φ = 287354134656.

The previous prime is 899931390179. The next prime is 899931390191. The reversal of 899931390190 is 91093139998.

It is a super-2 number, since 2×899931390190² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899931390191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5655769 + ... + 5812708.

It is an arithmetic number, because the mean of its divisors is an integer number (30964890600).

Almost surely, 2^899931390190 is an apocalyptic number.

899931390190 is an abundant number, since it is smaller than the sum of its proper divisors (1081821608210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899931390190 is a wasteful number, since it uses less digits than its factorization.

899931390190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11468569.

The product of its (nonzero) digits is 4251528, while the sum is 61.

The spelling of 899931390190 in words is "eight hundred ninety-nine billion, nine hundred thirty-one million, three hundred ninety thousand, one hundred ninety".