663882673417 has 4 divisors (see below), whose sum is σ = 665634343120. Its totient is φ = 662131003716.

The previous prime is 663882673351. The next prime is 663882673423. The reversal of 663882673417 is 714376288366.

663882673417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-663882673417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663882670417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875834283 + ... + 875835040.

It is an arithmetic number, because the mean of its divisors is an integer number (166408585780).

Almost surely, 2^663882673417 is an apocalyptic number.

It is an amenable number.

663882673417 is a deficient number, since it is larger than the sum of its proper divisors (1751669703).

663882673417 is a wasteful number, since it uses less digits than its factorization.

663882673417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751669702.

The product of its digits is 48771072, while the sum is 61.

The spelling of 663882673417 in words is "six hundred sixty-three billion, eight hundred eighty-two million, six hundred seventy-three thousand, four hundred seventeen".