985913359090 has 48 divisors (see below), whose sum is σ = 1952422591896. Its totient is φ = 358186653440.

The previous prime is 985913359087. The next prime is 985913359117. The reversal of 985913359090 is 90953319589.

It can be written as a sum of positive squares in 4 ways, for example, as 461724327009 + 524189032081 = 679503^2 + 724009^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 955992 + ... + 1698748.

Almost surely, 2^985913359090 is an apocalyptic number.

985913359090 is a deficient number, since it is larger than the sum of its proper divisors (966509232806).

985913359090 is a wasteful number, since it uses less digits than its factorization.

985913359090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743883 (or 743872 counting only the distinct ones).

The product of its (nonzero) digits is 11809800, while the sum is 61.

The spelling of 985913359090 in words is "nine hundred eighty-five billion, nine hundred thirteen million, three hundred fifty-nine thousand, ninety".