2490694855 has 24 divisors (see below), whose sum is σ = 3365408592. Its totient is φ = 1767216000.

The previous prime is 2490694847. The next prime is 2490694867. The reversal of 2490694855 is 5584960942.

It is not a de Polignac number, because 2490694855 - 2³ = 2490694847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25401 + ... + 75010.

It is an arithmetic number, because the mean of its divisors is an integer number (140225358).

Almost surely, 2^2490694855 is an apocalyptic number.

2490694855 is a deficient number, since it is larger than the sum of its proper divisors (874713737).

2490694855 is a wasteful number, since it uses less digits than its factorization.

2490694855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100479 (or 100468 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 52.

The square root of 2490694855 is about 49906.8618027622. The cubic root of 2490694855 is about 1355.5228448453.

The spelling of 2490694855 in words is "two billion, four hundred ninety million, six hundred ninety-four thousand, eight hundred fifty-five".