4206033661 has 2 divisors, whose sum is σ = 4206033662. Its totient is φ = 4206033660.

The previous prime is 4206033659. The next prime is 4206033679. The reversal of 4206033661 is 1663306024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2221331161 + 1984702500 = 47131^2 + 44550^2 .

It is a cyclic number.

It is not a de Polignac number, because 4206033661 - 2¹ = 4206033659 is a prime.

Together with 4206033659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4206034661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2103016830 + 2103016831.

It is an arithmetic number, because the mean of its divisors is an integer number (2103016831).

Almost surely, 2^4206033661 is an apocalyptic number.

It is an amenable number.

4206033661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4206033661 is an equidigital number, since it uses as much as digits as its factorization.

4206033661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 4206033661 is about 64853.9409827961. The cubic root of 4206033661 is about 1614.2008859888.

Adding to 4206033661 its reverse (1663306024), we get a palindrome (5869339685).

The spelling of 4206033661 in words is "four billion, two hundred six million, thirty-three thousand, six hundred sixty-one".