818927413939 has 2 divisors, whose sum is σ = 818927413940. Its totient is φ = 818927413938.

The previous prime is 818927413921. The next prime is 818927413961. The reversal of 818927413939 is 939314729818.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 818927413939 - 2¹¹ = 818927411891 is a prime.

It is not a weakly prime, because it can be changed into another prime (818927413439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409463706969 + 409463706970.

It is an arithmetic number, because the mean of its divisors is an integer number (409463706970).

Almost surely, 2^818927413939 is an apocalyptic number.

818927413939 is a deficient number, since it is larger than the sum of its proper divisors (1).

818927413939 is an equidigital number, since it uses as much as digits as its factorization.

818927413939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23514624, while the sum is 64.

The spelling of 818927413939 in words is "eight hundred eighteen billion, nine hundred twenty-seven million, four hundred thirteen thousand, nine hundred thirty-nine".