279544094642 has 6 divisors (see below), whose sum is σ = 419317263549. Its totient is φ = 139771673460.

The previous prime is 279544094629. The next prime is 279544094647. The reversal of 279544094642 is 246490445972.

It can be written as a sum of positive squares in 2 ways, for example, as 254087573041 + 25456521601 = 504071^2 + 159551^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=373861.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (279544094647) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 560792 + ... + 934652.

Almost surely, 2^279544094642 is an apocalyptic number.

279544094642 is a deficient number, since it is larger than the sum of its proper divisors (139773168907).

279544094642 is an frugal number, since it uses more digits than its factorization.

279544094642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747724 (or 373863 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 279544094642 in words is "two hundred seventy-nine billion, five hundred forty-four million, ninety-four thousand, six hundred forty-two".