990563013 has 28 divisors (see below), whose sum is σ = 1620193248. Its totient is φ = 600336360.

The previous prime is 990563003. The next prime is 990563033. The reversal of 990563013 is 310365099.

990563013 is a `hidden beast` number, since 9 + 9 + 0 + 5 + 630 + 13 = 666.

990563013 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 990563013 - 2⁴ = 990562997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990563003) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 53745 + ... + 69782.

Almost surely, 2^990563013 is an apocalyptic number.

It is an amenable number.

990563013 is a deficient number, since it is larger than the sum of its proper divisors (629630235).

990563013 is a wasteful number, since it uses less digits than its factorization.

990563013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123556 (or 123541 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 990563013 is about 31473.2110373251. The cubic root of 990563013 is about 996.8443902683.

The spelling of 990563013 in words is "nine hundred ninety million, five hundred sixty-three thousand, thirteen".