913944553344 has 256 divisors, whose sum is σ = 2726823528000. Its totient is φ = 301335552000.

The previous prime is 913944553337. The next prime is 913944553367. The reversal of 913944553344 is 443355449319.

913944553344 is a `hidden beast` number, since 9 + 1 + 3 + 9 + 44 + 553 + 3 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264067774 + ... + 264071234.

Almost surely, 2^913944553344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 913944553344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1363411764000).

913944553344 is an abundant number, since it is smaller than the sum of its proper divisors (1812878974656).

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

913944553344 is a wasteful number, since it uses less digits than its factorization.

913944553344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294 (or 4276 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 54.

The spelling of 913944553344 in words is "nine hundred thirteen billion, nine hundred forty-four million, five hundred fifty-three thousand, three hundred forty-four".