4031209898 has 16 divisors (see below), whose sum is σ = 6739485120. Its totient is φ = 1797195456.

The previous prime is 4031209891. The next prime is 4031209907. The reversal of 4031209898 is 8989021304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4031209891) 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, 3119486 + ... + 3120777.

It is an arithmetic number, because the mean of its divisors is an integer number (421217820).

Almost surely, 2^4031209898 is an apocalyptic number.

4031209898 is a deficient number, since it is larger than the sum of its proper divisors (2708275222).

4031209898 is a wasteful number, since it uses less digits than its factorization.

4031209898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240301.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 4031209898 is about 63491.8096922745. The cubic root of 4031209898 is about 1591.5189127077.

The spelling of 4031209898 in words is "four billion, thirty-one million, two hundred nine thousand, eight hundred ninety-eight".