1799364561 has 8 divisors (see below), whose sum is σ = 2402898144. Its totient is φ = 1197703680.

The previous prime is 1799364547. The next prime is 1799364601. The reversal of 1799364561 is 1654639971.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1799364561 - 2²⁵ = 1765810129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1799374561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465931 + ... + 469776.

It is an arithmetic number, because the mean of its divisors is an integer number (300362268).

Almost surely, 2^1799364561 is an apocalyptic number.

It is an amenable number.

1799364561 is a deficient number, since it is larger than the sum of its proper divisors (603533583).

1799364561 is an equidigital number, since it uses as much as digits as its factorization.

1799364561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936351.

The product of its digits is 1224720, while the sum is 51.

The square root of 1799364561 is about 42418.9174897239. The cubic root of 1799364561 is about 1216.2972389948.

The spelling of 1799364561 in words is "one billion, seven hundred ninety-nine million, three hundred sixty-four thousand, five hundred sixty-one".