2490249271 has 4 divisors (see below), whose sum is σ = 2490362632. Its totient is φ = 2490135912.

The previous prime is 2490249263. The next prime is 2490249283. The reversal of 2490249271 is 1729420942.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2490249271 - 2³ = 2490249263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490249371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11976 + ... + 71581.

It is an arithmetic number, because the mean of its divisors is an integer number (622590658).

Almost surely, 2^2490249271 is an apocalyptic number.

2490249271 is a deficient number, since it is larger than the sum of its proper divisors (113361).

2490249271 is an equidigital number, since it uses as much as digits as its factorization.

2490249271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113360.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2490249271 is about 49902.3974474173. The cubic root of 2490249271 is about 1355.4420059164.

The spelling of 2490249271 in words is "two billion, four hundred ninety million, two hundred forty-nine thousand, two hundred seventy-one".