5653686457 has 2 divisors, whose sum is σ = 5653686458. Its totient is φ = 5653686456.

The previous prime is 5653686439. The next prime is 5653686551. The reversal of 5653686457 is 7546863565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3915130041 + 1738556416 = 62571^2 + 41696^2 .

It is a cyclic number.

It is not a de Polignac number, because 5653686457 - 2¹⁵ = 5653653689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5653686398 and 5653686407.

It is not a weakly prime, because it can be changed into another prime (5653686427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2826843228 + 2826843229.

It is an arithmetic number, because the mean of its divisors is an integer number (2826843229).

Almost surely, 2^5653686457 is an apocalyptic number.

It is an amenable number.

5653686457 is a deficient number, since it is larger than the sum of its proper divisors (1).

5653686457 is an equidigital number, since it uses as much as digits as its factorization.

5653686457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144000, while the sum is 55.

The square root of 5653686457 is about 75190.9998404064. Note that the first 3 decimals coincide. The cubic root of 5653686457 is about 1781.4647768072.

The spelling of 5653686457 in words is "five billion, six hundred fifty-three million, six hundred eighty-six thousand, four hundred fifty-seven".