1959313968 has 40 divisors (see below), whose sum is σ = 5623958000. Its totient is φ = 653104512.

The previous prime is 1959313933. The next prime is 1959313981. The reversal of 1959313968 is 8693139591.

1959313968 is a `hidden beast` number, since 19 + 593 + 1 + 39 + 6 + 8 = 666.

It is a super-2 number, since 2×1959313968² = 7677822450399810048, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267293 + ... + 2268156.

It is an arithmetic number, because the mean of its divisors is an integer number (140598950).

Almost surely, 2^1959313968 is an apocalyptic number.

1959313968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1959313968 is an abundant number, since it is smaller than the sum of its proper divisors (3664644032).

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

1959313968 is a wasteful number, since it uses less digits than its factorization.

1959313968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535466 (or 4535454 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 54.

The square root of 1959313968 is about 44264.1386225915. The cubic root of 1959313968 is about 1251.3189210417.

The spelling of 1959313968 in words is "one billion, nine hundred fifty-nine million, three hundred thirteen thousand, nine hundred sixty-eight".