898013951989 has 48 divisors (see below), whose sum is σ = 1199572343424. Its totient is φ = 655760286720.

The previous prime is 898013951957. The next prime is 898013952007. The reversal of 898013951989 is 989159310898.

It is not a de Polignac number, because 898013951989 - 2⁵ = 898013951957 is a prime.

It is a super-2 number, since 2×898013951989² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898013951909) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3221134 + ... + 3488800.

It is an arithmetic number, because the mean of its divisors is an integer number (24991090488).

Almost surely, 2^898013951989 is an apocalyptic number.

It is an amenable number.

898013951989 is a deficient number, since it is larger than the sum of its proper divisors (301558391435).

898013951989 is a wasteful number, since it uses less digits than its factorization.

898013951989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267946 (or 267935 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 70.

The spelling of 898013951989 in words is "eight hundred ninety-eight billion, thirteen million, nine hundred fifty-one thousand, nine hundred eighty-nine".