2634680646873 has 64 divisors (see below), whose sum is σ = 4508088883200. Its totient is φ = 1503990607680.

The previous prime is 2634680646847. The next prime is 2634680646931. The reversal of 2634680646873 is 3786460864362.

2634680646873 is a `hidden beast` number, since 2 + 63 + 46 + 8 + 0 + 6 + 468 + 73 = 666.

It is not a de Polignac number, because 2634680646873 - 2⁸ = 2634680646617 is a prime.

It is a super-2 number, since 2×2634680646873² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2634680646873.

It is not an unprimeable number, because it can be changed into a prime (2634680646973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 373165 + ... + 2325642.

It is an arithmetic number, because the mean of its divisors is an integer number (70438888800).

Almost surely, 2^{2634680646873} is an apocalyptic number.

It is an amenable number.

2634680646873 is a deficient number, since it is larger than the sum of its proper divisors (1873408236327).

2634680646873 is a wasteful number, since it uses less digits than its factorization.

2634680646873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699019 (or 2699013 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 63.

The spelling of 2634680646873 in words is "two trillion, six hundred thirty-four billion, six hundred eighty million, six hundred forty-six thousand, eight hundred seventy-three".