2891359396 has 12 divisors (see below), whose sum is σ = 5063038848. Its totient is φ = 1444776872.

The previous prime is 2891359391. The next prime is 2891359451. The reversal of 2891359396 is 6939531982.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2891359391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218476 + ... + 231331.

It is an arithmetic number, because the mean of its divisors is an integer number (421919904).

Almost surely, 2^2891359396 is an apocalyptic number.

It is an amenable number.

2891359396 is a deficient number, since it is larger than the sum of its proper divisors (2171679452).

2891359396 is a wasteful number, since it uses less digits than its factorization.

2891359396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451418 (or 451416 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 55.

The square root of 2891359396 is about 53771.3622293503. The cubic root of 2891359396 is about 1424.6254308010.

The spelling of 2891359396 in words is "two billion, eight hundred ninety-one million, three hundred fifty-nine thousand, three hundred ninety-six".