2591080902 has 24 divisors (see below), whose sum is σ = 5615985960. Its totient is φ = 863389440.

The previous prime is 2591080897. The next prime is 2591080903. The reversal of 2591080902 is 2090801952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2591080903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30502 + ... + 78182.

It is an arithmetic number, because the mean of its divisors is an integer number (233999415).

Almost surely, 2^2591080902 is an apocalyptic number.

2591080902 is an abundant number, since it is smaller than the sum of its proper divisors (3024905058).

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

2591080902 is a wasteful number, since it uses less digits than its factorization.

2591080902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50708 (or 50705 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 2591080902 is about 50902.6610502830. The cubic root of 2591080902 is about 1373.4947100531.

The spelling of 2591080902 in words is "two billion, five hundred ninety-one million, eighty thousand, nine hundred two".