2492119891 has 2 divisors, whose sum is σ = 2492119892. Its totient is φ = 2492119890.

The previous prime is 2492119849. The next prime is 2492119907. The reversal of 2492119891 is 1989112942.

2492119891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2492119891 - 2¹⁵ = 2492087123 is a prime.

It is a super-2 number, since 2×2492119891² = 12421323102235703762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2492119801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246059945 + 1246059946.

It is an arithmetic number, because the mean of its divisors is an integer number (1246059946).

Almost surely, 2^2492119891 is an apocalyptic number.

2492119891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2492119891 is an equidigital number, since it uses as much as digits as its factorization.

2492119891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 46.

The square root of 2492119891 is about 49921.1367158241. The cubic root of 2492119891 is about 1355.7813136241.

The spelling of 2492119891 in words is "two billion, four hundred ninety-two million, one hundred nineteen thousand, eight hundred ninety-one".