2684387264679 has 6 divisors (see below), whose sum is σ = 3877448271216. Its totient is φ = 1789591509780.

The previous prime is 2684387264653. The next prime is 2684387264707. The reversal of 2684387264679 is 9764627834862.

It is a happy number.

2684387264679 is a `hidden beast` number, since 2 + 6 + 8 + 438 + 72 + 64 + 67 + 9 = 666.

It is not a de Polignac number, because 2684387264679 - 2²⁹ = 2683850393767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684387260679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149132625807 + ... + 149132625824.

It is an arithmetic number, because the mean of its divisors is an integer number (646241378536).

Almost surely, 2^{2684387264679} is an apocalyptic number.

2684387264679 is a deficient number, since it is larger than the sum of its proper divisors (1193061006537).

2684387264679 is a wasteful number, since it uses less digits than its factorization.

2684387264679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298265251637 (or 298265251634 counting only the distinct ones).

The product of its digits is 1170505728, while the sum is 72.

The spelling of 2684387264679 in words is "two trillion, six hundred eighty-four billion, three hundred eighty-seven million, two hundred sixty-four thousand, six hundred seventy-nine".