1813096779942 has 48 divisors (see below), whose sum is σ = 4242839961600. Its totient is φ = 505980475056.

The previous prime is 1813096779919. The next prime is 1813096779979. The reversal of 1813096779942 is 2499776903181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11595942 + ... + 11751257.

It is an arithmetic number, because the mean of its divisors is an integer number (88392499200).

Almost surely, 2^{1813096779942} is an apocalyptic number.

1813096779942 is an abundant number, since it is smaller than the sum of its proper divisors (2429743181658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1813096779942 is a wasteful number, since it uses less digits than its factorization.

1813096779942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23347297 (or 23347254 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 66.

The spelling of 1813096779942 in words is "one trillion, eight hundred thirteen billion, ninety-six million, seven hundred seventy-nine thousand, nine hundred forty-two".