4189743081 has 24 divisors (see below), whose sum is σ = 6105974784. Its totient is φ = 2768230080.

The previous prime is 4189743059. The next prime is 4189743097. The reversal of 4189743081 is 1803479814.

It is a happy number.

It is not a de Polignac number, because 4189743081 - 2⁶ = 4189743017 is a prime.

It is a super-2 number, since 2×4189743081² = 35107894169574745122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4189743011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1835661 + ... + 1837941.

It is an arithmetic number, because the mean of its divisors is an integer number (254415616).

Almost surely, 2^4189743081 is an apocalyptic number.

It is an amenable number.

4189743081 is a deficient number, since it is larger than the sum of its proper divisors (1916231703).

4189743081 is a wasteful number, since it uses less digits than its factorization.

4189743081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021 (or 4018 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 4189743081 is about 64728.2247632360. The cubic root of 4189743081 is about 1612.1141780363.

The spelling of 4189743081 in words is "four billion, one hundred eighty-nine million, seven hundred forty-three thousand, eighty-one".