2491993952 has 48 divisors (see below), whose sum is σ = 5610995712. Its totient is φ = 1067233920.

The previous prime is 2491993937. The next prime is 2491993991. The reversal of 2491993952 is 2593991942.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2491993894 and 2491993903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402593 + ... + 408735.

It is an arithmetic number, because the mean of its divisors is an integer number (116895744).

Almost surely, 2^2491993952 is an apocalyptic number.

It is an amenable number.

2491993952 is an abundant number, since it is smaller than the sum of its proper divisors (3119001760).

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

2491993952 is a wasteful number, since it uses less digits than its factorization.

2491993952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7971 (or 7963 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 53.

The square root of 2491993952 is about 49919.8753203571. The cubic root of 2491993952 is about 1355.7584751536.

The spelling of 2491993952 in words is "two billion, four hundred ninety-one million, nine hundred ninety-three thousand, nine hundred fifty-two".