279349356047 has 4 divisors (see below), whose sum is σ = 279350458896. Its totient is φ = 279348253200.

The previous prime is 279349356043. The next prime is 279349356073. The reversal of 279349356047 is 740653943972.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 279349356047 - 2² = 279349356043 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 (279349356043) 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, 39878 + ... + 748524.

It is an arithmetic number, because the mean of its divisors is an integer number (69837614724).

Almost surely, 2^279349356047 is an apocalyptic number.

279349356047 is a deficient number, since it is larger than the sum of its proper divisors (1102849).

279349356047 is an equidigital number, since it uses as much as digits as its factorization.

279349356047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102848.

The product of its (nonzero) digits is 34292160, while the sum is 59.

The spelling of 279349356047 in words is "two hundred seventy-nine billion, three hundred forty-nine million, three hundred fifty-six thousand, forty-seven".