898471325989 has 4 divisors (see below), whose sum is σ = 902230620480. Its totient is φ = 894712031500.

The previous prime is 898471325923. The next prime is 898471325993. The reversal of 898471325989 is 989523174898.

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: 989523174898 = 2 ⋅494761587449.

It is a cyclic number.

It is not a de Polignac number, because 898471325989 - 2³⁷ = 761032372517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898471325189) 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, 1879646887 + ... + 1879647364.

It is an arithmetic number, because the mean of its divisors is an integer number (225557655120).

Almost surely, 2^898471325989 is an apocalyptic number.

It is an amenable number.

898471325989 is a deficient number, since it is larger than the sum of its proper divisors (3759294491).

898471325989 is a wasteful number, since it uses less digits than its factorization.

898471325989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759294490.

The product of its digits is 313528320, while the sum is 73.

The spelling of 898471325989 in words is "eight hundred ninety-eight billion, four hundred seventy-one million, three hundred twenty-five thousand, nine hundred eighty-nine".