2818191919102 has 24 divisors (see below), whose sum is σ = 4917679092144. Its totient is φ = 1207742068512.

The previous prime is 2818191919091. The next prime is 2818191919121. The reversal of 2818191919102 is 2019191918182.

It is a self number, because there is not a number n which added to its sum of digits gives 2818191919102.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 1574418 + ... + 2848714.

It is an arithmetic number, because the mean of its divisors is an integer number (204903295506).

Almost surely, 2^{2818191919102} is an apocalyptic number.

2818191919102 is a deficient number, since it is larger than the sum of its proper divisors (2099487173042).

2818191919102 is a wasteful number, since it uses less digits than its factorization.

2818191919102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296880 (or 1296873 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 52.

The spelling of 2818191919102 in words is "two trillion, eight hundred eighteen billion, one hundred ninety-one million, nine hundred nineteen thousand, one hundred two".