502544455997 has 2 divisors, whose sum is σ = 502544455998. Its totient is φ = 502544455996.

The previous prime is 502544455991. The next prime is 502544456069. The reversal of 502544455997 is 799554445205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408993504676 + 93550951321 = 639526^2 + 305861^2 .

It is a cyclic number.

It is not a de Polignac number, because 502544455997 - 2⁴ = 502544455981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502544455991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251272227998 + 251272227999.

It is an arithmetic number, because the mean of its divisors is an integer number (251272227999).

Almost surely, 2^502544455997 is an apocalyptic number.

It is an amenable number.

502544455997 is a deficient number, since it is larger than the sum of its proper divisors (1).

502544455997 is an equidigital number, since it uses as much as digits as its factorization.

502544455997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360000, while the sum is 59.

The spelling of 502544455997 in words is "five hundred two billion, five hundred forty-four million, four hundred fifty-five thousand, nine hundred ninety-seven".