2539179424349 has 4 divisors (see below), whose sum is σ = 2553856762236. Its totient is φ = 2524502086464.

The previous prime is 2539179424343. The next prime is 2539179424399. The reversal of 2539179424349 is 9434249719352.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1639726348324 + 899453076025 = 1280518^2 + 948395^2 .

It is a cyclic number.

It is not a de Polignac number, because 2539179424349 - 2¹⁶ = 2539179358813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2539179424291 and 2539179424300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539179424343) 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, 7338668684 + ... + 7338669029.

It is an arithmetic number, because the mean of its divisors is an integer number (638464190559).

Almost surely, 2^{2539179424349} is an apocalyptic number.

It is an amenable number.

2539179424349 is a deficient number, since it is larger than the sum of its proper divisors (14677337887).

2539179424349 is a wasteful number, since it uses less digits than its factorization.

2539179424349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14677337886.

The product of its digits is 58786560, while the sum is 62.

The spelling of 2539179424349 in words is "two trillion, five hundred thirty-nine billion, one hundred seventy-nine million, four hundred twenty-four thousand, three hundred forty-nine".