890395572243 has 16 divisors (see below), whose sum is σ = 1207367395200. Its totient is φ = 583511255040.

The previous prime is 890395572217. The next prime is 890395572271. The reversal of 890395572243 is 342275593098.

It is a happy number.

It is not a de Polignac number, because 890395572243 - 2⁶ = 890395572179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (890395572343) 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, 4664368 + ... + 4851506.

It is an arithmetic number, because the mean of its divisors is an integer number (75460462200).

Almost surely, 2^890395572243 is an apocalyptic number.

890395572243 is a deficient number, since it is larger than the sum of its proper divisors (316971822957).

890395572243 is a wasteful number, since it uses less digits than its factorization.

890395572243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214082.

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 890395572243 in words is "eight hundred ninety billion, three hundred ninety-five million, five hundred seventy-two thousand, two hundred forty-three".