52694748517 has 2 divisors, whose sum is σ = 52694748518. Its totient is φ = 52694748516.

The previous prime is 52694748451. The next prime is 52694748551. The reversal of 52694748517 is 71584749625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52205852196 + 488896321 = 228486^2 + 22111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52694748517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52694749517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26347374258 + 26347374259.

It is an arithmetic number, because the mean of its divisors is an integer number (26347374259).

Almost surely, 2^52694748517 is an apocalyptic number.

It is an amenable number.

52694748517 is a deficient number, since it is larger than the sum of its proper divisors (1).

52694748517 is an equidigital number, since it uses as much as digits as its factorization.

52694748517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16934400, while the sum is 58.

The spelling of 52694748517 in words is "fifty-two billion, six hundred ninety-four million, seven hundred forty-eight thousand, five hundred seventeen".