2731689008 has 10 divisors (see below), whose sum is σ = 5292647484. Its totient is φ = 1365844496.

The previous prime is 2731688983. The next prime is 2731689011. The reversal of 2731689008 is 8009861372.

It is a self number, because there is not a number n which added to its sum of digits gives 2731689008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85365266 + ... + 85365297.

Almost surely, 2^2731689008 is an apocalyptic number.

It is an amenable number.

2731689008 is a deficient number, since it is larger than the sum of its proper divisors (2560958476).

2731689008 is a wasteful number, since it uses less digits than its factorization.

2731689008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170730571 (or 170730565 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 2731689008 is about 52265.5623522793. The cubic root of 2731689008 is about 1397.9031549031.

The spelling of 2731689008 in words is "two billion, seven hundred thirty-one million, six hundred eighty-nine thousand, eight".