102818373841 has 4 divisors (see below), whose sum is σ = 102916390500. Its totient is φ = 102720357184.

The previous prime is 102818373811. The next prime is 102818373869. The reversal of 102818373841 is 148373818201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52789657600 + 50028716241 = 229760^2 + 223671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102818373841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102818373791 and 102818373800.

It is not an unprimeable number, because it can be changed into a prime (102818373811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49006756 + ... + 49008853.

It is an arithmetic number, because the mean of its divisors is an integer number (25729097625).

Almost surely, 2^102818373841 is an apocalyptic number.

It is an amenable number.

102818373841 is a deficient number, since it is larger than the sum of its proper divisors (98016659).

102818373841 is an equidigital number, since it uses as much as digits as its factorization.

102818373841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98016658.

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 102818373841 in words is "one hundred two billion, eight hundred eighteen million, three hundred seventy-three thousand, eight hundred forty-one".