502164540431 has 2 divisors, whose sum is σ = 502164540432. Its totient is φ = 502164540430.

The previous prime is 502164540419. The next prime is 502164540481. The reversal of 502164540431 is 134045461205.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502164540431 is a prime.

It is a super-2 number, since 2×502164540431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 502164540391 and 502164540400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502164540481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251082270215 + 251082270216.

It is an arithmetic number, because the mean of its divisors is an integer number (251082270216).

Almost surely, 2^502164540431 is an apocalyptic number.

502164540431 is a deficient number, since it is larger than the sum of its proper divisors (1).

502164540431 is an equidigital number, since it uses as much as digits as its factorization.

502164540431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 502164540431 in words is "five hundred two billion, one hundred sixty-four million, five hundred forty thousand, four hundred thirty-one".