2279409284791 has 4 divisors (see below), whose sum is σ = 2279468212312. Its totient is φ = 2279350357272.

The previous prime is 2279409284773. The next prime is 2279409284797. The reversal of 2279409284791 is 1974829049722.

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

It is a cyclic number.

It is not a de Polignac number, because 2279409284791 - 2¹⁵ = 2279409252023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279409284797) 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 3 ways as a sum of consecutive naturals, for example, 29405700 + ... + 29483113.

It is an arithmetic number, because the mean of its divisors is an integer number (569867053078).

Almost surely, 2^{2279409284791} is an apocalyptic number.

2279409284791 is a deficient number, since it is larger than the sum of its proper divisors (58927521).

2279409284791 is an equidigital number, since it uses as much as digits as its factorization.

2279409284791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58927520.

The product of its (nonzero) digits is 36578304, while the sum is 64.

The spelling of 2279409284791 in words is "two trillion, two hundred seventy-nine billion, four hundred nine million, two hundred eighty-four thousand, seven hundred ninety-one".