279399466946 has 16 divisors (see below), whose sum is σ = 428860823424. Its totient is φ = 136446088464.

The previous prime is 279399466943. The next prime is 279399466967. The reversal of 279399466946 is 649664993972.

It is not an unprimeable number, because it can be changed into a prime (279399466943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4383860 + ... + 4447136.

It is an arithmetic number, because the mean of its divisors is an integer number (26803801464).

Almost surely, 2^279399466946 is an apocalyptic number.

279399466946 is a deficient number, since it is larger than the sum of its proper divisors (149461356478).

279399466946 is a wasteful number, since it uses less digits than its factorization.

279399466946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114665.

The product of its digits is 952342272, while the sum is 74.

The spelling of 279399466946 in words is "two hundred seventy-nine billion, three hundred ninety-nine million, four hundred sixty-six thousand, nine hundred forty-six".