663929299 has 6 divisors (see below), whose sum is σ = 729773660. Its totient is φ = 603571980.

The previous prime is 663929281. The next prime is 663929309. The reversal of 663929299 is 992929366.

663929299 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 663929299 - 2⁵ = 663929267 is a prime.

It is a super-2 number, since 2×663929299² = 881604228141262802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (663929239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2743389 + ... + 2743630.

Almost surely, 2^663929299 is an apocalyptic number.

663929299 is a deficient number, since it is larger than the sum of its proper divisors (65844361).

663929299 is a wasteful number, since it uses less digits than its factorization.

663929299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5487041 (or 5487030 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 55.

The square root of 663929299 is about 25766.8255514722. The cubic root of 663929299 is about 872.3831690595.

The spelling of 663929299 in words is "six hundred sixty-three million, nine hundred twenty-nine thousand, two hundred ninety-nine".