153798434898 has 16 divisors (see below), whose sum is σ = 312639442176. Its totient is φ = 50425716240.

The previous prime is 153798434897. The next prime is 153798434921. The reversal of 153798434898 is 898434897351.

It is a super-3 number, since 3×153798434898³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (153798434891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210106786 + ... + 210107517.

It is an arithmetic number, because the mean of its divisors is an integer number (19539965136).

Almost surely, 2^153798434898 is an apocalyptic number.

153798434898 is an abundant number, since it is smaller than the sum of its proper divisors (158841007278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153798434898 is a wasteful number, since it uses less digits than its factorization.

153798434898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420214369.

The product of its digits is 209018880, while the sum is 69.

The spelling of 153798434898 in words is "one hundred fifty-three billion, seven hundred ninety-eight million, four hundred thirty-four thousand, eight hundred ninety-eight".