53210640013 has 2 divisors, whose sum is σ = 53210640014. Its totient is φ = 53210640012.

The previous prime is 53210639929. The next prime is 53210640061. The reversal of 53210640013 is 31004601235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46914693604 + 6295946409 = 216598^2 + 79347^2 .

It is a cyclic number.

It is not a de Polignac number, because 53210640013 - 2²⁹ = 52673769101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53210640013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53210644013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26605320006 + 26605320007.

It is an arithmetic number, because the mean of its divisors is an integer number (26605320007).

Almost surely, 2^53210640013 is an apocalyptic number.

It is an amenable number.

53210640013 is a deficient number, since it is larger than the sum of its proper divisors (1).

53210640013 is an equidigital number, since it uses as much as digits as its factorization.

53210640013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 53210640013 in words is "fifty-three billion, two hundred ten million, six hundred forty thousand, thirteen".