4712161898 has 16 divisors (see below), whose sum is σ = 7666561224. Its totient is φ = 2163402240.

The previous prime is 4712161891. The next prime is 4712161919. The reversal of 4712161898 is 8981612174.

It can be written as a sum of positive squares in 4 ways, for example, as 3044501329 + 1667660569 = 55177^2 + 40837^2 .

It is not an unprimeable number, because it can be changed into a prime (4712161891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1688765 + ... + 1691552.

Almost surely, 2^4712161898 is an apocalyptic number.

4712161898 is a deficient number, since it is larger than the sum of its proper divisors (2954399326).

4712161898 is a wasteful number, since it uses less digits than its factorization.

4712161898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380377.

The product of its digits is 193536, while the sum is 47.

The square root of 4712161898 is about 68645.1884548364. The cubic root of 4712161898 is about 1676.5122628853.

The spelling of 4712161898 in words is "four billion, seven hundred twelve million, one hundred sixty-one thousand, eight hundred ninety-eight".