2302402612689 has 81 divisors (see below), whose sum is σ = 3498278000763. Its totient is φ = 1459148662944.

The previous prime is 2302402612687. The next prime is 2302402612711. The reversal of 2302402612689 is 9862162042032.

The square root of 2302402612689 is 1517367.

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

2302402612689 is a `hidden beast` number, since 2 + 3 + 0 + 24 + 0 + 2 + 612 + 6 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1207324081089 + 1095078531600 = 1098783^2 + 1046460^2 .

It is not a de Polignac number, because 2302402612689 - 2¹ = 2302402612687 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2302402612687) by changing a digit.

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 80 ways as a sum of consecutive naturals, for example, 14125169322 + ... + 14125169484.

Almost surely, 2^{2302402612689} is an apocalyptic number.

2302402612689 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2302402612689 is the 1517367-th square number.

2302402612689 is the 758684-th centered octagonal number.

It is an amenable number.

2302402612689 is a deficient number, since it is larger than the sum of its proper divisors (1195875388074).

2302402612689 is an equidigital number, since it uses as much as digits as its factorization.

2302402612689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 2302402612689 in words is "two trillion, three hundred two billion, four hundred two million, six hundred twelve thousand, six hundred eighty-nine".