5965708644 has 135 divisors (see below), whose sum is σ = 18171394857. Its totient is φ = 1701707616.

The previous prime is 5965708633. The next prime is 5965708667. The reversal of 5965708644 is 4468075695.

The square root of 5965708644 is 77238.

It is a perfect power (a square), and thus also a powerful number.

5965708644 is a `hidden beast` number, since 5 + 9 + 6 + 570 + 8 + 64 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19448100 + 5946260544 = 4410^2 + 77112^2 .

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 44 ways as a sum of consecutive naturals, for example, 9731682 + ... + 9732294.

Almost surely, 2^5965708644 is an apocalyptic number.

5965708644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

5965708644 is the 77238-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5965708644

5965708644 is an abundant number, since it is smaller than the sum of its proper divisors (12205686213).

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

5965708644 is an equidigital number, since it uses as much as digits as its factorization.

5965708644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The cubic root of 5965708644 is about 1813.6522252957.

The spelling of 5965708644 in words is "five billion, nine hundred sixty-five million, seven hundred eight thousand, six hundred forty-four".