1834031343861 has 24 divisors (see below), whose sum is σ = 2665751326680. Its totient is φ = 1215042011136.

The previous prime is 1834031343829. The next prime is 1834031343871. The reversal of 1834031343861 is 1683431304381.

1834031343861 is a `hidden beast` number, since 1 + 83 + 403 + 134 + 38 + 6 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22029980625 + 1812001363236 = 148425^2 + 1346106^2 .

It is not a de Polignac number, because 1834031343861 - 2⁵ = 1834031343829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1834031343811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1045395 + ... + 2181951.

It is an arithmetic number, because the mean of its divisors is an integer number (111072971945).

Almost surely, 2^{1834031343861} is an apocalyptic number.

It is an amenable number.

1834031343861 is a deficient number, since it is larger than the sum of its proper divisors (831719982819).

1834031343861 is a wasteful number, since it uses less digits than its factorization.

1834031343861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137685 (or 1137682 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 1834031343861 in words is "one trillion, eight hundred thirty-four billion, thirty-one million, three hundred forty-three thousand, eight hundred sixty-one".