2490812731 has 8 divisors (see below), whose sum is σ = 2790689904. Its totient is φ = 2203175520.

The previous prime is 2490812729. The next prime is 2490812743. The reversal of 2490812731 is 1372180942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2490812731 - 2¹ = 2490812729 is a prime.

It is a super-2 number, since 2×2490812731² = 12408296121823356722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490812791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3059560 + ... + 3060373.

It is an arithmetic number, because the mean of its divisors is an integer number (348836238).

Almost surely, 2^2490812731 is an apocalyptic number.

2490812731 is a deficient number, since it is larger than the sum of its proper divisors (299877173).

2490812731 is a wasteful number, since it uses less digits than its factorization.

2490812731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119981.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2490812731 is about 49908.0427486392. The cubic root of 2490812731 is about 1355.5442285822.

The spelling of 2490812731 in words is "two billion, four hundred ninety million, eight hundred twelve thousand, seven hundred thirty-one".