57654374917 has 2 divisors, whose sum is σ = 57654374918. Its totient is φ = 57654374916.

The previous prime is 57654374857. The next prime is 57654374927. The reversal of 57654374917 is 71947345675.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55191635041 + 2462739876 = 234929^2 + 49626^2 .

It is a cyclic number.

It is not a de Polignac number, because 57654374917 - 2¹¹ = 57654372869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57654374927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28827187458 + 28827187459.

It is an arithmetic number, because the mean of its divisors is an integer number (28827187459).

Almost surely, 2^57654374917 is an apocalyptic number.

It is an amenable number.

57654374917 is a deficient number, since it is larger than the sum of its proper divisors (1).

57654374917 is an equidigital number, since it uses as much as digits as its factorization.

57654374917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22226400, while the sum is 58.

The spelling of 57654374917 in words is "fifty-seven billion, six hundred fifty-four million, three hundred seventy-four thousand, nine hundred seventeen".