3948662633 has 4 divisors (see below), whose sum is σ = 3961119300. Its totient is φ = 3936205968.

The previous prime is 3948662611. The next prime is 3948662689. The reversal of 3948662633 is 3362668493.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2089586944 + 1859075689 = 45712^2 + 43117^2 .

It is a cyclic number.

It is not a de Polignac number, because 3948662633 - 2¹⁰ = 3948661609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3948662033) 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, 6227858 + ... + 6228491.

It is an arithmetic number, because the mean of its divisors is an integer number (990279825).

Almost surely, 2^3948662633 is an apocalyptic number.

It is an amenable number.

3948662633 is a deficient number, since it is larger than the sum of its proper divisors (12456667).

3948662633 is a wasteful number, since it uses less digits than its factorization.

3948662633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12456666.

The product of its digits is 3359232, while the sum is 50.

The square root of 3948662633 is about 62838.3850285795. The cubic root of 3948662633 is about 1580.5807074689.

The spelling of 3948662633 in words is "three billion, nine hundred forty-eight million, six hundred sixty-two thousand, six hundred thirty-three".