2463685657 has 2 divisors, whose sum is σ = 2463685658. Its totient is φ = 2463685656.

The previous prime is 2463685607. The next prime is 2463685667. The reversal of 2463685657 is 7565863642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1582130176 + 881555481 = 39776^2 + 29691^2 .

It is a cyclic number.

It is not a de Polignac number, because 2463685657 - 2²⁷ = 2329467929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2463685607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1231842828 + 1231842829.

It is an arithmetic number, because the mean of its divisors is an integer number (1231842829).

Almost surely, 2^2463685657 is an apocalyptic number.

It is an amenable number.

2463685657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2463685657 is an equidigital number, since it uses as much as digits as its factorization.

2463685657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 52.

The square root of 2463685657 is about 49635.5281728723. The cubic root of 2463685657 is about 1350.6052442944.

The spelling of 2463685657 in words is "two billion, four hundred sixty-three million, six hundred eighty-five thousand, six hundred fifty-seven".