502556742641 has 2 divisors, whose sum is σ = 502556742642. Its totient is φ = 502556742640.

The previous prime is 502556742551. The next prime is 502556742647. The reversal of 502556742641 is 146247655205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 451679429041 + 50877313600 = 672071^2 + 225560^2 .

It is a cyclic number.

It is not a de Polignac number, because 502556742641 - 2²⁶ = 502489633777 is a prime.

It is not a weakly prime, because it can be changed into another prime (502556742647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251278371320 + 251278371321.

It is an arithmetic number, because the mean of its divisors is an integer number (251278371321).

Almost surely, 2^502556742641 is an apocalyptic number.

It is an amenable number.

502556742641 is a deficient number, since it is larger than the sum of its proper divisors (1).

502556742641 is an equidigital number, since it uses as much as digits as its factorization.

502556742641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 502556742641 in words is "five hundred two billion, five hundred fifty-six million, seven hundred forty-two thousand, six hundred forty-one".