663713701 has 8 divisors (see below), whose sum is σ = 758713280. Its totient is φ = 568759968.

The previous prime is 663713639. The next prime is 663713707. The reversal of 663713701 is 107317366.

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 663713701 - 2⁷ = 663713573 is a prime.

It is a super-3 number, since 3×663713701³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663713707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29185 + ... + 46681.

It is an arithmetic number, because the mean of its divisors is an integer number (94839160).

Almost surely, 2^663713701 is an apocalyptic number.

It is an amenable number.

663713701 is a deficient number, since it is larger than the sum of its proper divisors (94999579).

663713701 is a wasteful number, since it uses less digits than its factorization.

663713701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22923.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 663713701 is about 25762.6415765154. The cubic root of 663713701 is about 872.2887290695.

The spelling of 663713701 in words is "six hundred sixty-three million, seven hundred thirteen thousand, seven hundred one".