502040249903 has 2 divisors, whose sum is σ = 502040249904. Its totient is φ = 502040249902.

The previous prime is 502040249869. The next prime is 502040249929. The reversal of 502040249903 is 309942040205.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502040249903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502040249933) 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, 251020124951 + 251020124952.

It is an arithmetic number, because the mean of its divisors is an integer number (251020124952).

Almost surely, 2^502040249903 is an apocalyptic number.

502040249903 is a deficient number, since it is larger than the sum of its proper divisors (1).

502040249903 is an equidigital number, since it uses as much as digits as its factorization.

502040249903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 502040249903 in words is "five hundred two billion, forty million, two hundred forty-nine thousand, nine hundred three".