1853930694193 has 16 divisors (see below), whose sum is σ = 1913140583424. Its totient is φ = 1795549132800.

The previous prime is 1853930694157. The next prime is 1853930694199. The reversal of 1853930694193 is 3914960393581.

It is a cyclic number.

It is not a de Polignac number, because 1853930694193 - 2²⁵ = 1853897139761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1853930694199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43521721 + ... + 43564297.

It is an arithmetic number, because the mean of its divisors is an integer number (119571286464).

Almost surely, 2^{1853930694193} is an apocalyptic number.

It is an amenable number.

1853930694193 is a deficient number, since it is larger than the sum of its proper divisors (59209889231).

1853930694193 is an equidigital number, since it uses as much as digits as its factorization.

1853930694193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52272.

The product of its (nonzero) digits is 18895680, while the sum is 61.

The spelling of 1853930694193 in words is "one trillion, eight hundred fifty-three billion, nine hundred thirty million, six hundred ninety-four thousand, one hundred ninety-three".