4042706661 has 24 divisors (see below), whose sum is σ = 6688922240. Its totient is φ = 2304840096.

The previous prime is 4042706659. The next prime is 4042706663. The reversal of 4042706661 is 1666072404.

It is an interprime number because it is at equal distance from previous prime (4042706659) and next prime (4042706663).

It is not a de Polignac number, because 4042706661 - 2¹ = 4042706659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042706663) 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, 45430 + ... + 100743.

Almost surely, 2^4042706661 is an apocalyptic number.

It is an amenable number.

4042706661 is a deficient number, since it is larger than the sum of its proper divisors (2646215579).

4042706661 is a wasteful number, since it uses less digits than its factorization.

4042706661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146625 (or 146622 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 4042706661 is about 63582.2826029390. The cubic root of 4042706661 is about 1593.0304480735.

The spelling of 4042706661 in words is "four billion, forty-two million, seven hundred six thousand, six hundred sixty-one".