502140223901 has 2 divisors, whose sum is σ = 502140223902. Its totient is φ = 502140223900.

The previous prime is 502140223769. The next prime is 502140224009. The reversal of 502140223901 is 109322041205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480285036676 + 21855187225 = 693026^2 + 147835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502140223901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502140222901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251070111950 + 251070111951.

It is an arithmetic number, because the mean of its divisors is an integer number (251070111951).

Almost surely, 2^502140223901 is an apocalyptic number.

It is an amenable number.

502140223901 is a deficient number, since it is larger than the sum of its proper divisors (1).

502140223901 is an equidigital number, since it uses as much as digits as its factorization.

502140223901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 502140223901 in words is "five hundred two billion, one hundred forty million, two hundred twenty-three thousand, nine hundred one".