2731889616 has 40 divisors (see below), whose sum is σ = 7428825120. Its totient is φ = 862701696.

The previous prime is 2731889569. The next prime is 2731889623. The reversal of 2731889616 is 6169881372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1496835 + ... + 1498658.

It is an arithmetic number, because the mean of its divisors is an integer number (185720628).

Almost surely, 2^2731889616 is an apocalyptic number.

It is an amenable number.

2731889616 is an abundant number, since it is smaller than the sum of its proper divisors (4696935504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2731889616 is a wasteful number, since it uses less digits than its factorization.

2731889616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995523 (or 2995517 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 2731889616 is about 52267.4814392276. The cubic root of 2731889616 is about 1397.9373734996.

The spelling of 2731889616 in words is "two billion, seven hundred thirty-one million, eight hundred eighty-nine thousand, six hundred sixteen".