502245486234809 has 2 divisors, whose sum is σ = 502245486234810. Its totient is φ = 502245486234808.

The previous prime is 502245486234787. The next prime is 502245486234953. The reversal of 502245486234809 is 908432684542205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 501024295479184 + 1221190755625 = 22383572^2 + 1105075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502245486234809 is a prime.

It is not a weakly prime, because it can be changed into another prime (502245486234409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251122743117404 + 251122743117405.

It is an arithmetic number, because the mean of its divisors is an integer number (251122743117405).

Almost surely, 2^{502245486234809} is an apocalyptic number.

It is an amenable number.

502245486234809 is a deficient number, since it is larger than the sum of its proper divisors (1).

502245486234809 is an equidigital number, since it uses as much as digits as its factorization.

502245486234809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132710400, while the sum is 62.

The spelling of 502245486234809 in words is "five hundred two trillion, two hundred forty-five billion, four hundred eighty-six million, two hundred thirty-four thousand, eight hundred nine".