2456707745 has 4 divisors (see below), whose sum is σ = 2948049300. Its totient is φ = 1965366192.

The previous prime is 2456707697. The next prime is 2456707789. The reversal of 2456707745 is 5477076542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 868127296 + 1588580449 = 29464^2 + 39857^2 .

It is a cyclic number.

It is not a de Polignac number, because 2456707745 - 2²⁴ = 2439930529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2456707745.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245670770 + ... + 245670779.

It is an arithmetic number, because the mean of its divisors is an integer number (737012325).

Almost surely, 2^2456707745 is an apocalyptic number.

It is an amenable number.

2456707745 is a deficient number, since it is larger than the sum of its proper divisors (491341555).

2456707745 is an equidigital number, since it uses as much as digits as its factorization.

2456707745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491341554.

The product of its (nonzero) digits is 1646400, while the sum is 47.

The square root of 2456707745 is about 49565.1868250287. The cubic root of 2456707745 is about 1349.3289293905.

The spelling of 2456707745 in words is "two billion, four hundred fifty-six million, seven hundred seven thousand, seven hundred forty-five".