4231546681 has 2 divisors, whose sum is σ = 4231546682. Its totient is φ = 4231546680.

The previous prime is 4231546621. The next prime is 4231546751. The reversal of 4231546681 is 1866451324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2884656681 + 1346890000 = 53709^2 + 36700^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231546681 - 2⁹ = 4231546169 is a prime.

It is a super-2 number, since 2×4231546681² = 35811974626964231522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4231546621) 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 as a sum of consecutive naturals, namely, 2115773340 + 2115773341.

It is an arithmetic number, because the mean of its divisors is an integer number (2115773341).

Almost surely, 2^4231546681 is an apocalyptic number.

It is an amenable number.

4231546681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231546681 is an equidigital number, since it uses as much as digits as its factorization.

4231546681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 40.

The square root of 4231546681 is about 65050.3395917346. The cubic root of 4231546681 is about 1617.4581232912.

The spelling of 4231546681 in words is "four billion, two hundred thirty-one million, five hundred forty-six thousand, six hundred eighty-one".