2490731761 has 12 divisors (see below), whose sum is σ = 3023846848. Its totient is φ = 2009328192.

The previous prime is 2490731753. The next prime is 2490731779. The reversal of 2490731761 is 1671370942.

2490731761 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 2490731761 - 2³ = 2490731753 is a prime.

It is a super-2 number, since 2×2490731761² = 12407489410508322242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2490731731) 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, 613581 + ... + 617626.

Almost surely, 2^2490731761 is an apocalyptic number.

It is an amenable number.

2490731761 is a deficient number, since it is larger than the sum of its proper divisors (533115087).

2490731761 is a wasteful number, since it uses less digits than its factorization.

2490731761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231248 (or 1231231 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 2490731761 is about 49907.2315501471. The cubic root of 2490731761 is about 1355.5295399889.

The spelling of 2490731761 in words is "two billion, four hundred ninety million, seven hundred thirty-one thousand, seven hundred sixty-one".