663934029 has 16 divisors (see below), whose sum is σ = 973332480. Its totient is φ = 399213360.

The previous prime is 663934027. The next prime is 663934039. The reversal of 663934029 is 920439366.

663934029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 663934029 - 2¹ = 663934027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663934027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75019 + ... + 83400.

It is an arithmetic number, because the mean of its divisors is an integer number (60833280).

Almost surely, 2^663934029 is an apocalyptic number.

It is an amenable number.

663934029 is a deficient number, since it is larger than the sum of its proper divisors (309398451).

663934029 is a wasteful number, since it uses less digits than its factorization.

663934029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158560.

The product of its (nonzero) digits is 209952, while the sum is 42.

The square root of 663934029 is about 25766.9173359950. The cubic root of 663934029 is about 872.3852407473.

The spelling of 663934029 in words is "six hundred sixty-three million, nine hundred thirty-four thousand, twenty-nine".