2639368440297 has 24 divisors (see below), whose sum is σ = 3835994501664. Its totient is φ = 1748699959104.

The previous prime is 2639368440281. The next prime is 2639368440301. The reversal of 2639368440297 is 7920448639362.

2639368440297 is a `hidden beast` number, since 2 + 6 + 39 + 36 + 84 + 402 + 97 = 666.

2639368440297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2639368440297 - 2⁴ = 2639368440281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2639368440217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51147573 + ... + 51199149.

It is an arithmetic number, because the mean of its divisors is an integer number (159833104236).

Almost surely, 2^{2639368440297} is an apocalyptic number.

It is an amenable number.

2639368440297 is a deficient number, since it is larger than the sum of its proper divisors (1196626061367).

2639368440297 is a wasteful number, since it uses less digits than its factorization.

2639368440297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86629 (or 86626 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 63.

The spelling of 2639368440297 in words is "two trillion, six hundred thirty-nine billion, three hundred sixty-eight million, four hundred forty thousand, two hundred ninety-seven".