2457656763 has 8 divisors (see below), whose sum is σ = 3321764688. Its totient is φ = 1615993344.

The previous prime is 2457656753. The next prime is 2457656771. The reversal of 2457656763 is 3676567542.

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

It is not a de Polignac number, because 2457656763 - 2²⁴ = 2440879547 is a prime.

It is a super-3 number, since 3×2457656763³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2457656713) 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, 5610870 + ... + 5611307.

It is an arithmetic number, because the mean of its divisors is an integer number (415220586).

Almost surely, 2^2457656763 is an apocalyptic number.

2457656763 is a deficient number, since it is larger than the sum of its proper divisors (864107925).

2457656763 is a wasteful number, since it uses less digits than its factorization.

2457656763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222253.

The product of its digits is 6350400, while the sum is 51.

The square root of 2457656763 is about 49574.7593337577. The cubic root of 2457656763 is about 1349.5026541095.

The spelling of 2457656763 in words is "two billion, four hundred fifty-seven million, six hundred fifty-six thousand, seven hundred sixty-three".