2708639254 has 4 divisors (see below), whose sum is σ = 4062958884. Its totient is φ = 1354319626.

The previous prime is 2708639249. The next prime is 2708639357. The reversal of 2708639254 is 4529368072.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677159812 + ... + 677159815.

It is an arithmetic number, because the mean of its divisors is an integer number (1015739721).

Almost surely, 2^2708639254 is an apocalyptic number.

2708639254 is a deficient number, since it is larger than the sum of its proper divisors (1354319630).

2708639254 is a wasteful number, since it uses less digits than its factorization.

2708639254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354319629.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 2708639254 is about 52044.5890943525. The cubic root of 2708639254 is about 1393.9602490197.

The spelling of 2708639254 in words is "two billion, seven hundred eight million, six hundred thirty-nine thousand, two hundred fifty-four".