502906678213 has 2 divisors, whose sum is σ = 502906678214. Its totient is φ = 502906678212.

The previous prime is 502906678189. The next prime is 502906678223. The reversal of 502906678213 is 312876609205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374375107044 + 128531571169 = 611862^2 + 358513^2 .

It is a cyclic number.

It is not a de Polignac number, because 502906678213 - 2²¹ = 502904581061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502906678223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251453339106 + 251453339107.

It is an arithmetic number, because the mean of its divisors is an integer number (251453339107).

Almost surely, 2^502906678213 is an apocalyptic number.

It is an amenable number.

502906678213 is a deficient number, since it is larger than the sum of its proper divisors (1).

502906678213 is an equidigital number, since it uses as much as digits as its factorization.

502906678213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 502906678213 in words is "five hundred two billion, nine hundred six million, six hundred seventy-eight thousand, two hundred thirteen".