2881742636 has 6 divisors (see below), whose sum is σ = 5043049620. Its totient is φ = 1440871316.

The previous prime is 2881742629. The next prime is 2881742651. The reversal of 2881742636 is 6362471882.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360217826 + ... + 360217833.

It is an arithmetic number, because the mean of its divisors is an integer number (840508270).

Almost surely, 2^2881742636 is an apocalyptic number.

It is an amenable number.

2881742636 is a deficient number, since it is larger than the sum of its proper divisors (2161306984).

2881742636 is a wasteful number, since it uses less digits than its factorization.

2881742636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720435663 (or 720435661 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 2881742636 is about 53681.8650570190. The cubic root of 2881742636 is about 1423.0442255260.

The spelling of 2881742636 in words is "two billion, eight hundred eighty-one million, seven hundred forty-two thousand, six hundred thirty-six".