2490598655 has 4 divisors (see below), whose sum is σ = 2988718392. Its totient is φ = 1992478920.

The previous prime is 2490598637. The next prime is 2490598673. The reversal of 2490598655 is 5568950942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5568950942 = 2 ⋅2784475471.

It is an interprime number because it is at equal distance from previous prime (2490598637) and next prime (2490598673).

It is not a de Polignac number, because 2490598655 - 2²⁸ = 2222163199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2490598597 and 2490598606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249059861 + ... + 249059870.

It is an arithmetic number, because the mean of its divisors is an integer number (747179598).

Almost surely, 2^2490598655 is an apocalyptic number.

2490598655 is a deficient number, since it is larger than the sum of its proper divisors (498119737).

2490598655 is an equidigital number, since it uses as much as digits as its factorization.

2490598655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498119736.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The square root of 2490598655 is about 49905.8979981324. The cubic root of 2490598655 is about 1355.5053928243.

The spelling of 2490598655 in words is "two billion, four hundred ninety million, five hundred ninety-eight thousand, six hundred fifty-five".