2492908457 has 8 divisors (see below), whose sum is σ = 2687744136. Its totient is φ = 2298511872.

The previous prime is 2492908417. The next prime is 2492908459. The reversal of 2492908457 is 7548092942.

It can be written as a sum of positive squares in 4 ways, for example, as 394260736 + 2098647721 = 19856^2 + 45811^2 .

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 2492908457 - 2⁶ = 2492908393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2492908459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97928 + ... + 120729.

It is an arithmetic number, because the mean of its divisors is an integer number (335968017).

Almost surely, 2^2492908457 is an apocalyptic number.

It is an amenable number.

2492908457 is a deficient number, since it is larger than the sum of its proper divisors (194835679).

2492908457 is a wasteful number, since it uses less digits than its factorization.

2492908457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219547.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 2492908457 is about 49929.0342085645. The cubic root of 2492908457 is about 1355.9242990272.

The spelling of 2492908457 in words is "two billion, four hundred ninety-two million, nine hundred eight thousand, four hundred fifty-seven".