398119355089 has 3 divisors (see below), whose sum is σ = 398119986057. Its totient is φ = 398118724122.

The previous prime is 398119355077. The next prime is 398119355107. The reversal of 398119355089 is 980553911893.

The square root of 398119355089 is 630967.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 398119355089 - 2⁷ = 398119354961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398119355059) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 315484 + ... + 946450.

It is an arithmetic number, because the mean of its divisors is an integer number (132706662019).

Almost surely, 2^398119355089 is an apocalyptic number.

398119355089 is the 630967-th square number.

398119355089 is the 315484-th centered octagonal number.

It is an amenable number.

398119355089 is a deficient number, since it is larger than the sum of its proper divisors (630968).

398119355089 is an frugal number, since it uses more digits than its factorization.

398119355089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261934 (or 630967 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 61.

The spelling of 398119355089 in words is "three hundred ninety-eight billion, one hundred nineteen million, three hundred fifty-five thousand, eighty-nine".