2491119788 has 12 divisors (see below), whose sum is σ = 4549001520. Its totient is φ = 1191405072.

The previous prime is 2491119767. The next prime is 2491119809. The reversal of 2491119788 is 8879111942.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2491119767) and next prime (2491119809).

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13538603 + ... + 13538786.

It is an arithmetic number, because the mean of its divisors is an integer number (379083460).

Almost surely, 2^2491119788 is an apocalyptic number.

It is an amenable number.

2491119788 is a deficient number, since it is larger than the sum of its proper divisors (2057881732).

2491119788 is a wasteful number, since it uses less digits than its factorization.

2491119788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27077416 (or 27077414 counting only the distinct ones).

The product of its digits is 290304, while the sum is 50.

The square root of 2491119788 is about 49911.1188814677. The cubic root of 2491119788 is about 1355.5999282388.

The spelling of 2491119788 in words is "two billion, four hundred ninety-one million, one hundred nineteen thousand, seven hundred eighty-eight".