4133260661 has 4 divisors (see below), whose sum is σ = 4133674272. Its totient is φ = 4132847052.

The previous prime is 4133260591. The next prime is 4133260687. The reversal of 4133260661 is 1660623314.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4133260661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4133220661) 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 3 ways as a sum of consecutive naturals, for example, 191435 + ... + 211928.

It is an arithmetic number, because the mean of its divisors is an integer number (1033418568).

Almost surely, 2^4133260661 is an apocalyptic number.

It is an amenable number.

4133260661 is a deficient number, since it is larger than the sum of its proper divisors (413611).

4133260661 is a wasteful number, since it uses less digits than its factorization.

4133260661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413610.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 4133260661 is about 64290.4398880580. The cubic root of 4133260661 is about 1604.8370109104.

Adding to 4133260661 its reverse (1660623314), we get a palindrome (5793883975).

The spelling of 4133260661 in words is "four billion, one hundred thirty-three million, two hundred sixty thousand, six hundred sixty-one".