4191986131 has 8 divisors (see below), whose sum is σ = 4465782720. Its totient is φ = 3923506152.

The previous prime is 4191986101. The next prime is 4191986147. The reversal of 4191986131 is 1316891914.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4191986131 - 2²⁵ = 4158431699 is a prime.

It is a super-2 number, since 2×4191986131² = 35145495444992698322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4191986101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327525 + ... + 1330678.

It is an arithmetic number, because the mean of its divisors is an integer number (558222840).

Almost surely, 2^4191986131 is an apocalyptic number.

4191986131 is a deficient number, since it is larger than the sum of its proper divisors (273796589).

4191986131 is a wasteful number, since it uses less digits than its factorization.

4191986131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658305.

The product of its digits is 46656, while the sum is 43.

The square root of 4191986131 is about 64745.5491211558. The cubic root of 4191986131 is about 1612.4018175983.

The spelling of 4191986131 in words is "four billion, one hundred ninety-one million, nine hundred eighty-six thousand, one hundred thirty-one".