1799361361 has 4 divisors (see below), whose sum is σ = 2056412992. Its totient is φ = 1542309732.

The previous prime is 1799361341. The next prime is 1799361497. The reversal of 1799361361 is 1631639971.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1631639971 = 13 ⋅125510767.

It is a cyclic number.

It is not a de Polignac number, because 1799361361 - 2⁵ = 1799361329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1799361341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128525805 + ... + 128525818.

It is an arithmetic number, because the mean of its divisors is an integer number (514103248).

Almost surely, 2^1799361361 is an apocalyptic number.

It is an amenable number.

1799361361 is a deficient number, since it is larger than the sum of its proper divisors (257051631).

1799361361 is an equidigital number, since it uses as much as digits as its factorization.

1799361361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257051630.

The product of its digits is 183708, while the sum is 46.

The square root of 1799361361 is about 42418.8797706870. The cubic root of 1799361361 is about 1216.2965179711.

The spelling of 1799361361 in words is "one billion, seven hundred ninety-nine million, three hundred sixty-one thousand, three hundred sixty-one".