2339660864025 has 135 divisors (see below), whose sum is σ = 4576521921741. Its totient is φ = 1181483651520.

The previous prime is 2339660864003. The next prime is 2339660864081. The reversal of 2339660864025 is 5204680669332.

It is a happy number.

The square root of 2339660864025 is 1529595.

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

2339660864025 is a `hidden beast` number, since 2 + 3 + 3 + 9 + 6 + 608 + 6 + 4 + 0 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 365815699929 + 1973845164096 = 604827^2 + 1404936^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 2339660864025 - 2³⁵ = 2305301125657 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1307802831 + ... + 1307804619.

Almost surely, 2^{2339660864025} is an apocalyptic number.

2339660864025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2339660864025 is the 1529595-th square number.

2339660864025 is the 764798-th centered octagonal number.

It is an amenable number.

2339660864025 is a deficient number, since it is larger than the sum of its proper divisors (2236861057716).

2339660864025 is an frugal number, since it uses more digits than its factorization.

2339660864025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 2339660864025 in words is "two trillion, three hundred thirty-nine billion, six hundred sixty million, eight hundred sixty-four thousand, twenty-five".