845690800219 has 8 divisors (see below), whose sum is σ = 847986209168. Its totient is φ = 843396222240.

The previous prime is 845690800211. The next prime is 845690800231. The reversal of 845690800219 is 912008096548.

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

It is a cyclic number.

It is not a de Polignac number, because 845690800219 - 2³ = 845690800211 is a prime.

It is a super-2 number, since 2×845690800219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845690800211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1858264 + ... + 2268154.

It is an arithmetic number, because the mean of its divisors is an integer number (105998276146).

Almost surely, 2^845690800219 is an apocalyptic number.

845690800219 is a deficient number, since it is larger than the sum of its proper divisors (2295408949).

845690800219 is a wasteful number, since it uses less digits than its factorization.

845690800219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415485.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 845690800219 in words is "eight hundred forty-five billion, six hundred ninety million, eight hundred thousand, two hundred nineteen".