663139299 has 8 divisors (see below), whose sum is σ = 884421712. Its totient is φ = 441974880.

The previous prime is 663139297. The next prime is 663139307. The reversal of 663139299 is 992931366.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 663139299 - 2¹ = 663139297 is a prime.

It is a super-2 number, since 2×663139299² = 879507459756422802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663139297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15424 + ... + 39549.

It is an arithmetic number, because the mean of its divisors is an integer number (110552714).

Almost surely, 2^663139299 is an apocalyptic number.

663139299 is a deficient number, since it is larger than the sum of its proper divisors (221282413).

663139299 is a wasteful number, since it uses less digits than its factorization.

663139299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58997.

The product of its digits is 472392, while the sum is 48.

The square root of 663139299 is about 25751.4911995403. The cubic root of 663139299 is about 872.0370196352.

The spelling of 663139299 in words is "six hundred sixty-three million, one hundred thirty-nine thousand, two hundred ninety-nine".