818981411351 has 2 divisors, whose sum is σ = 818981411352. Its totient is φ = 818981411350.

The previous prime is 818981411341. The next prime is 818981411449. The reversal of 818981411351 is 153114189818.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 818981411351 - 2³⁸ = 544103504407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 818981411351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (818981411341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409490705675 + 409490705676.

It is an arithmetic number, because the mean of its divisors is an integer number (409490705676).

Almost surely, 2^818981411351 is an apocalyptic number.

818981411351 is a deficient number, since it is larger than the sum of its proper divisors (1).

818981411351 is an equidigital number, since it uses as much as digits as its factorization.

818981411351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 50.

The spelling of 818981411351 in words is "eight hundred eighteen billion, nine hundred eighty-one million, four hundred eleven thousand, three hundred fifty-one".