53868700205539 has 2 divisors, whose sum is σ = 53868700205540. Its totient is φ = 53868700205538.

The previous prime is 53868700205501. The next prime is 53868700205587. The reversal of 53868700205539 is 93550200786835.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53868700205539 - 2¹¹ = 53868700203491 is a prime.

It is not a weakly prime, because it can be changed into another prime (53808700205539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26934350102769 + 26934350102770.

It is an arithmetic number, because the mean of its divisors is an integer number (26934350102770).

Almost surely, 2^{53868700205539} is an apocalyptic number.

53868700205539 is a deficient number, since it is larger than the sum of its proper divisors (1).

53868700205539 is an equidigital number, since it uses as much as digits as its factorization.

53868700205539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432000, while the sum is 61.

The spelling of 53868700205539 in words is "fifty-three trillion, eight hundred sixty-eight billion, seven hundred million, two hundred five thousand, five hundred thirty-nine".