2490281761 has 12 divisors (see below), whose sum is σ = 2775814272. Its totient is φ = 2231999000.

The previous prime is 2490281749. The next prime is 2490281791. The reversal of 2490281761 is 1671820942.

2490281761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2490281761 - 2⁹ = 2490281249 is a prime.

It is a super-2 number, since 2×2490281761² = 12403006498338522242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2490281711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136345 + ... + 153526.

It is an arithmetic number, because the mean of its divisors is an integer number (231317856).

Almost surely, 2^2490281761 is an apocalyptic number.

It is an amenable number.

2490281761 is a deficient number, since it is larger than the sum of its proper divisors (285532511).

2490281761 is a wasteful number, since it uses less digits than its factorization.

2490281761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289964 (or 289953 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2490281761 is about 49902.7229818173. The cubic root of 2490281761 is about 1355.4479006568.

The spelling of 2490281761 in words is "two billion, four hundred ninety million, two hundred eighty-one thousand, seven hundred sixty-one".