4189388131 has 2 divisors, whose sum is σ = 4189388132. Its totient is φ = 4189388130.

The previous prime is 4189388101. The next prime is 4189388173. The reversal of 4189388131 is 1318839814.

It is a happy number.

4189388131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4189388131 - 2²¹ = 4187290979 is a prime.

It is a super-2 number, since 2×4189388131² = 35101945824327346322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4189388101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2094694065 + 2094694066.

It is an arithmetic number, because the mean of its divisors is an integer number (2094694066).

Almost surely, 2^4189388131 is an apocalyptic number.

4189388131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4189388131 is an equidigital number, since it uses as much as digits as its factorization.

4189388131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 46.

The square root of 4189388131 is about 64725.4828564453. The cubic root of 4189388131 is about 1612.0686512919.

The spelling of 4189388131 in words is "four billion, one hundred eighty-nine million, three hundred eighty-eight thousand, one hundred thirty-one".