4231941987 has 24 divisors (see below), whose sum is σ = 7068741456. Its totient is φ = 2232232128.

The previous prime is 4231941941. The next prime is 4231942003. The reversal of 4231941987 is 7891491324.

It is not a de Polignac number, because 4231941987 - 2¹⁰ = 4231940963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4231941187) 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, 1105348 + ... + 1109169.

It is an arithmetic number, because the mean of its divisors is an integer number (294530894).

Almost surely, 2^4231941987 is an apocalyptic number.

4231941987 is a deficient number, since it is larger than the sum of its proper divisors (2836799469).

4231941987 is a wasteful number, since it uses less digits than its factorization.

4231941987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214547 (or 2214540 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 4231941987 is about 65053.3779830072. The cubic root of 4231941987 is about 1617.5084887202.

The spelling of 4231941987 in words is "four billion, two hundred thirty-one million, nine hundred forty-one thousand, nine hundred eighty-seven".