898319572321 has 4 divisors (see below), whose sum is σ = 899915167152. Its totient is φ = 896723977492.

The previous prime is 898319572237. The next prime is 898319572411. The reversal of 898319572321 is 123275913898.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 898319572321 - 2¹¹ = 898319570273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (898319576321) 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, 797796571 + ... + 797797696.

It is an arithmetic number, because the mean of its divisors is an integer number (224978791788).

Almost surely, 2^898319572321 is an apocalyptic number.

It is an amenable number.

898319572321 is a deficient number, since it is larger than the sum of its proper divisors (1595594831).

898319572321 is a wasteful number, since it uses less digits than its factorization.

898319572321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595594830.

The product of its digits is 6531840, while the sum is 58.

The spelling of 898319572321 in words is "eight hundred ninety-eight billion, three hundred nineteen million, five hundred seventy-two thousand, three hundred twenty-one".