663434442 has 32 divisors (see below), whose sum is σ = 1608327360. Its totient is φ = 201040560.

The previous prime is 663434423. The next prime is 663434459. The reversal of 663434442 is 244434366.

663434442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 663434397 and 663434406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557853 + ... + 559040.

It is an arithmetic number, because the mean of its divisors is an integer number (50260230).

Almost surely, 2^663434442 is an apocalyptic number.

663434442 is an abundant number, since it is smaller than the sum of its proper divisors (944892918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663434442 is a wasteful number, since it uses less digits than its factorization.

663434442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116915 (or 1116909 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

The square root of 663434442 is about 25757.2211622294. The cubic root of 663434442 is about 872.1663727734.

The spelling of 663434442 in words is "six hundred sixty-three million, four hundred thirty-four thousand, four hundred forty-two".