913291963990 has 48 divisors (see below), whose sum is σ = 1912410147312. Its totient is φ = 313114165056.

The previous prime is 913291963973. The next prime is 913291964047. The reversal of 913291963990 is 99369192319.

913291963990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×913291963990² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 20740777 + ... + 20784763.

It is an arithmetic number, because the mean of its divisors is an integer number (39841878069).

Almost surely, 2^913291963990 is an apocalyptic number.

913291963990 is an abundant number, since it is smaller than the sum of its proper divisors (999118183322).

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

913291963990 is a wasteful number, since it uses less digits than its factorization.

913291963990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86381 (or 86374 counting only the distinct ones).

The product of its (nonzero) digits is 6377292, while the sum is 61.

The spelling of 913291963990 in words is "nine hundred thirteen billion, two hundred ninety-one million, nine hundred sixty-three thousand, nine hundred ninety".