2479268236139 has 4 divisors (see below), whose sum is σ = 2539738193160. Its totient is φ = 2418798279120.

The previous prime is 2479268236117. The next prime is 2479268236171. The reversal of 2479268236139 is 9316328629742.

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 2479268236139 - 2⁸ = 2479268235883 is a prime.

It is a super-2 number, since 2×2479268236139² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2479268236639) 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, 30234978449 + ... + 30234978530.

It is an arithmetic number, because the mean of its divisors is an integer number (634934548290).

Almost surely, 2^{2479268236139} is an apocalyptic number.

2479268236139 is a deficient number, since it is larger than the sum of its proper divisors (60469957021).

2479268236139 is an equidigital number, since it uses as much as digits as its factorization.

2479268236139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60469957020.

The product of its digits is 47029248, while the sum is 62.

The spelling of 2479268236139 in words is "two trillion, four hundred seventy-nine billion, two hundred sixty-eight million, two hundred thirty-six thousand, one hundred thirty-nine".