279994627213 has 16 divisors (see below), whose sum is σ = 356649505920. Its totient is φ = 213989700096.

The previous prime is 279994627177. The next prime is 279994627259. The reversal of 279994627213 is 312726499972.

It is a cyclic number.

It is not a de Polignac number, because 279994627213 - 2²¹ = 279992530061 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 (279994627313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61916056 + ... + 61920577.

It is an arithmetic number, because the mean of its divisors is an integer number (22290594120).

Almost surely, 2^279994627213 is an apocalyptic number.

It is an amenable number.

279994627213 is a deficient number, since it is larger than the sum of its proper divisors (76654878707).

279994627213 is a wasteful number, since it uses less digits than its factorization.

279994627213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123836676.

The product of its digits is 20575296, while the sum is 61.

The spelling of 279994627213 in words is "two hundred seventy-nine billion, nine hundred ninety-four million, six hundred twenty-seven thousand, two hundred thirteen".