1813196738705 has 16 divisors (see below), whose sum is σ = 2424142335744. Its totient is φ = 1290631332480.

The previous prime is 1813196738677. The next prime is 1813196738711. The reversal of 1813196738705 is 5078376913181.

It is a de Polignac number, because none of the positive numbers 2^k-1813196738705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350712452 + ... + 350717621.

It is an arithmetic number, because the mean of its divisors is an integer number (151508895984).

Almost surely, 2^{1813196738705} is an apocalyptic number.

It is an amenable number.

1813196738705 is a deficient number, since it is larger than the sum of its proper divisors (610945597039).

1813196738705 is a wasteful number, since it uses less digits than its factorization.

1813196738705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701430136.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 1813196738705 in words is "one trillion, eight hundred thirteen billion, one hundred ninety-six million, seven hundred thirty-eight thousand, seven hundred five".