53400064013 has 2 divisors, whose sum is σ = 53400064014. Its totient is φ = 53400064012.

The previous prime is 53400063971. The next prime is 53400064021. The reversal of 53400064013 is 31046000435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40111277284 + 13288786729 = 200278^2 + 115277^2 .

It is a cyclic number.

It is not a de Polignac number, because 53400064013 - 2⁶ = 53400063949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53400064073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26700032006 + 26700032007.

It is an arithmetic number, because the mean of its divisors is an integer number (26700032007).

Almost surely, 2^53400064013 is an apocalyptic number.

It is an amenable number.

53400064013 is a deficient number, since it is larger than the sum of its proper divisors (1).

53400064013 is an equidigital number, since it uses as much as digits as its factorization.

53400064013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 53400064013 its reverse (31046000435), we get a palindrome (84446064448).

The spelling of 53400064013 in words is "fifty-three billion, four hundred million, sixty-four thousand, thirteen".