502638805379 has 2 divisors, whose sum is σ = 502638805380. Its totient is φ = 502638805378.

The previous prime is 502638805301. The next prime is 502638805421. The reversal of 502638805379 is 973508836205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 502638805379 - 2³⁶ = 433919328643 is a prime.

It is not a weakly prime, because it can be changed into another prime (502638805579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251319402689 + 251319402690.

It is an arithmetic number, because the mean of its divisors is an integer number (251319402690).

Almost surely, 2^502638805379 is an apocalyptic number.

502638805379 is a deficient number, since it is larger than the sum of its proper divisors (1).

502638805379 is an equidigital number, since it uses as much as digits as its factorization.

502638805379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 502638805379 in words is "five hundred two billion, six hundred thirty-eight million, eight hundred five thousand, three hundred seventy-nine".