4231661339 has 2 divisors, whose sum is σ = 4231661340. Its totient is φ = 4231661338.

The previous prime is 4231661311. The next prime is 4231661363. The reversal of 4231661339 is 9331661324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4231661339 is a prime.

It is not a weakly prime, because it can be changed into another prime (4231661039) 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, 2115830669 + 2115830670.

It is an arithmetic number, because the mean of its divisors is an integer number (2115830670).

Almost surely, 2^4231661339 is an apocalyptic number.

4231661339 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231661339 is an equidigital number, since it uses as much as digits as its factorization.

4231661339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 38.

The square root of 4231661339 is about 65051.2208878511. The cubic root of 4231661339 is about 1617.4727320425.

The spelling of 4231661339 in words is "four billion, two hundred thirty-one million, six hundred sixty-one thousand, three hundred thirty-nine".