4331042661 has 24 divisors (see below), whose sum is σ = 6367869760. Its totient is φ = 2616419520.

The previous prime is 4331042657. The next prime is 4331042687. The reversal of 4331042661 is 1662401334.

It is not a de Polignac number, because 4331042661 - 2² = 4331042657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4331042461) 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, 94560 + ... + 132678.

Almost surely, 2^4331042661 is an apocalyptic number.

It is an amenable number.

4331042661 is a deficient number, since it is larger than the sum of its proper divisors (2036827099).

4331042661 is a wasteful number, since it uses less digits than its factorization.

4331042661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38457 (or 38446 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 4331042661 is about 65810.6576551245. The cubic root of 4331042661 is about 1630.0370926358.

Adding to 4331042661 its reverse (1662401334), we get a palindrome (5993443995).

The spelling of 4331042661 in words is "four billion, three hundred thirty-one million, forty-two thousand, six hundred sixty-one".