2379642861 has 4 divisors (see below), whose sum is σ = 3172857152. Its totient is φ = 1586428572.

The previous prime is 2379642841. The next prime is 2379642869. The reversal of 2379642861 is 1682469732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2379642861 - 2¹⁷ = 2379511789 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 2379642861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2379642869) 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, 396607141 + ... + 396607146.

It is an arithmetic number, because the mean of its divisors is an integer number (793214288).

Almost surely, 2^2379642861 is an apocalyptic number.

It is an amenable number.

2379642861 is a deficient number, since it is larger than the sum of its proper divisors (793214291).

2379642861 is an equidigital number, since it uses as much as digits as its factorization.

2379642861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793214290.

The product of its digits is 870912, while the sum is 48.

The square root of 2379642861 is about 48781.5832153898. The cubic root of 2379642861 is about 1335.0696632138.

The spelling of 2379642861 in words is "two billion, three hundred seventy-nine million, six hundred forty-two thousand, eight hundred sixty-one".