502402441454609 has 2 divisors, whose sum is σ = 502402441454610. Its totient is φ = 502402441454608.

The previous prime is 502402441454603. The next prime is 502402441454713. The reversal of 502402441454609 is 906454144204205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495019113450625 + 7383328003984 = 22249025^2 + 2717228^2 .

It is a cyclic number.

It is not a de Polignac number, because 502402441454609 - 2¹² = 502402441450513 is a prime.

It is not a weakly prime, because it can be changed into another prime (502402441454603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251201220727304 + 251201220727305.

It is an arithmetic number, because the mean of its divisors is an integer number (251201220727305).

Almost surely, 2^{502402441454609} is an apocalyptic number.

It is an amenable number.

502402441454609 is a deficient number, since it is larger than the sum of its proper divisors (1).

502402441454609 is an equidigital number, since it uses as much as digits as its factorization.

502402441454609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5529600, while the sum is 50.

The spelling of 502402441454609 in words is "five hundred two trillion, four hundred two billion, four hundred forty-one million, four hundred fifty-four thousand, six hundred nine".