2309568811664 has 60 divisors (see below), whose sum is σ = 4557500918460. Its totient is φ = 1133819746560.

The previous prime is 2309568811633. The next prime is 2309568811673. The reversal of 2309568811664 is 4661188659032.

It can be written as a sum of positive squares in 2 ways, for example, as 1464603403264 + 844965408400 = 1210208^2 + 919220^2 .

It is a super-2 number, since 2×2309568811664² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46146974 + ... + 46196994.

It is an arithmetic number, because the mean of its divisors is an integer number (75958348641).

Almost surely, 2^{2309568811664} is an apocalyptic number.

It is an amenable number.

2309568811664 is a deficient number, since it is larger than the sum of its proper divisors (2247932106796).

2309568811664 is an equidigital number, since it uses as much as digits as its factorization.

2309568811664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50976 (or 50911 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 59.

The spelling of 2309568811664 in words is "two trillion, three hundred nine billion, five hundred sixty-eight million, eight hundred eleven thousand, six hundred sixty-four".