4195981398 has 16 divisors (see below), whose sum is σ = 9590814720. Its totient is φ = 1198851816.

The previous prime is 4195981373. The next prime is 4195981403. The reversal of 4195981398 is 8931895914.

4195981398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49952118 + ... + 49952201.

It is an arithmetic number, because the mean of its divisors is an integer number (599425920).

Almost surely, 2^4195981398 is an apocalyptic number.

4195981398 is an abundant number, since it is smaller than the sum of its proper divisors (5394833322).

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

4195981398 is a wasteful number, since it uses less digits than its factorization.

4195981398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99904331.

The product of its digits is 2799360, while the sum is 57.

The square root of 4195981398 is about 64776.3953767111. The cubic root of 4195981398 is about 1612.9139002641.

The spelling of 4195981398 in words is "four billion, one hundred ninety-five million, nine hundred eighty-one thousand, three hundred ninety-eight".