913421323566 has 48 divisors (see below), whose sum is σ = 2090430650880. Its totient is φ = 287799659280.

The previous prime is 913421323553. The next prime is 913421323579. The reversal of 913421323566 is 665323124319.

913421323566 is a `hidden beast` number, since 9 + 1 + 34 + 21 + 32 + 3 + 566 = 666.

913421323566 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (913421323553) and next prime (913421323579).

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, 19010376 + ... + 19058363.

It is an arithmetic number, because the mean of its divisors is an integer number (43550638560).

Almost surely, 2^913421323566 is an apocalyptic number.

913421323566 is an abundant number, since it is smaller than the sum of its proper divisors (1177009327314).

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

913421323566 is a wasteful number, since it uses less digits than its factorization.

913421323566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38068821 (or 38068818 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The spelling of 913421323566 in words is "nine hundred thirteen billion, four hundred twenty-one million, three hundred twenty-three thousand, five hundred sixty-six".