990529583197 has 36 divisors (see below), whose sum is σ = 1258988742144. Its totient is φ = 770621028240.

The previous prime is 990529583159. The next prime is 990529583213. The reversal of 990529583197 is 791385925099.

990529583197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 990529583197 - 2²⁷ = 990395365469 is a prime.

It is a super-2 number, since 2×990529583197² (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 (990529583117) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 368636388 + ... + 368639074.

It is an arithmetic number, because the mean of its divisors is an integer number (34971909504).

Almost surely, 2^990529583197 is an apocalyptic number.

It is an amenable number.

990529583197 is a deficient number, since it is larger than the sum of its proper divisors (268459158947).

990529583197 is an equidigital number, since it uses as much as digits as its factorization.

990529583197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366 (or 3532 counting only the distinct ones).

The product of its (nonzero) digits is 55112400, while the sum is 67.

The spelling of 990529583197 in words is "nine hundred ninety billion, five hundred twenty-nine million, five hundred eighty-three thousand, one hundred ninety-seven".