502533639947 has 2 divisors, whose sum is σ = 502533639948. Its totient is φ = 502533639946.

The previous prime is 502533639929. The next prime is 502533640109. The reversal of 502533639947 is 749936335205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 502533639947 - 2²² = 502529445643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 502533639892 and 502533639901.

It is not a weakly prime, because it can be changed into another prime (502533639247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251266819973 + 251266819974.

It is an arithmetic number, because the mean of its divisors is an integer number (251266819974).

Almost surely, 2^502533639947 is an apocalyptic number.

502533639947 is a deficient number, since it is larger than the sum of its proper divisors (1).

502533639947 is an equidigital number, since it uses as much as digits as its factorization.

502533639947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18370800, while the sum is 56.

The spelling of 502533639947 in words is "five hundred two billion, five hundred thirty-three million, six hundred thirty-nine thousand, nine hundred forty-seven".