663002399 has 2 divisors, whose sum is σ = 663002400. Its totient is φ = 663002398.

The previous prime is 663002383. The next prime is 663002407. The reversal of 663002399 is 993200366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 663002399 - 2⁴ = 663002383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663002369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331501199 + 331501200.

It is an arithmetic number, because the mean of its divisors is an integer number (331501200).

Almost surely, 2^663002399 is an apocalyptic number.

663002399 is a deficient number, since it is larger than the sum of its proper divisors (1).

663002399 is an equidigital number, since it uses as much as digits as its factorization.

663002399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 663002399 is about 25748.8329638452. The cubic root of 663002399 is about 871.9770070635.

The spelling of 663002399 in words is "six hundred sixty-three million, two thousand, three hundred ninety-nine".