2456494757 has 2 divisors, whose sum is σ = 2456494758. Its totient is φ = 2456494756.

The previous prime is 2456494753. The next prime is 2456494763. The reversal of 2456494757 is 7574946542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2439470881 + 17023876 = 49391^2 + 4126^2 .

It is a cyclic number.

It is not a de Polignac number, because 2456494757 - 2² = 2456494753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2456494699 and 2456494708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2456494753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228247378 + 1228247379.

It is an arithmetic number, because the mean of its divisors is an integer number (1228247379).

Almost surely, 2^2456494757 is an apocalyptic number.

It is an amenable number.

2456494757 is a deficient number, since it is larger than the sum of its proper divisors (1).

2456494757 is an equidigital number, since it uses as much as digits as its factorization.

2456494757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8467200, while the sum is 53.

The square root of 2456494757 is about 49563.0382139755. The cubic root of 2456494757 is about 1349.2899342249.

The spelling of 2456494757 in words is "two billion, four hundred fifty-six million, four hundred ninety-four thousand, seven hundred fifty-seven".