2379450864639 has 4 divisors (see below), whose sum is σ = 3172601152856. Its totient is φ = 1586300576424.

The previous prime is 2379450864619. The next prime is 2379450864647. The reversal of 2379450864639 is 9364680549732.

2379450864639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2379450864639 - 2²⁹ = 2378913993727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2379450864639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2379450864619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396575144104 + ... + 396575144109.

It is an arithmetic number, because the mean of its divisors is an integer number (793150288214).

Almost surely, 2^{2379450864639} is an apocalyptic number.

2379450864639 is a deficient number, since it is larger than the sum of its proper divisors (793150288217).

2379450864639 is an equidigital number, since it uses as much as digits as its factorization.

2379450864639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793150288216.

The product of its (nonzero) digits is 235146240, while the sum is 66.

The spelling of 2379450864639 in words is "two trillion, three hundred seventy-nine billion, four hundred fifty million, eight hundred sixty-four thousand, six hundred thirty-nine".