4042631633 has 4 divisors (see below), whose sum is σ = 4128645120. Its totient is φ = 3956618148.

The previous prime is 4042631629. The next prime is 4042631647. The reversal of 4042631633 is 3361362404.

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 not a de Polignac number, because 4042631633 - 2² = 4042631629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4042631633.

It is not an unprimeable number, because it can be changed into a prime (4042631683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43006673 + ... + 43006766.

It is an arithmetic number, because the mean of its divisors is an integer number (1032161280).

Almost surely, 2^4042631633 is an apocalyptic number.

It is an amenable number.

4042631633 is a deficient number, since it is larger than the sum of its proper divisors (86013487).

4042631633 is an equidigital number, since it uses as much as digits as its factorization.

4042631633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86013486.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 4042631633 is about 63581.6925930727. The cubic root of 4042631633 is about 1593.0205930730.

The spelling of 4042631633 in words is "four billion, forty-two million, six hundred thirty-one thousand, six hundred thirty-three".