57733794647 has 2 divisors, whose sum is σ = 57733794648. Its totient is φ = 57733794646.

The previous prime is 57733794637. The next prime is 57733794659. The reversal of 57733794647 is 74649733775.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57733794647 - 2¹² = 57733790551 is a prime.

It is a super-4 number, since 4×57733794647⁴ (a number of 44 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57733794647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57733794637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28866897323 + 28866897324.

It is an arithmetic number, because the mean of its divisors is an integer number (28866897324).

Almost surely, 2^57733794647 is an apocalyptic number.

57733794647 is a deficient number, since it is larger than the sum of its proper divisors (1).

57733794647 is an equidigital number, since it uses as much as digits as its factorization.

57733794647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93350880, while the sum is 62.

The spelling of 57733794647 in words is "fifty-seven billion, seven hundred thirty-three million, seven hundred ninety-four thousand, six hundred forty-seven".