663297281342 has 8 divisors (see below), whose sum is σ = 994949787000. Its totient is φ = 331647352344.

The previous prime is 663297281323. The next prime is 663297281369. The reversal of 663297281342 is 243182792366.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244709 + ... + 1177487.

It is an arithmetic number, because the mean of its divisors is an integer number (124368723375).

Almost surely, 2^663297281342 is an apocalyptic number.

663297281342 is a deficient number, since it is larger than the sum of its proper divisors (331652505658).

663297281342 is a wasteful number, since it uses less digits than its factorization.

663297281342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288330.

The product of its digits is 5225472, while the sum is 53.

The spelling of 663297281342 in words is "six hundred sixty-three billion, two hundred ninety-seven million, two hundred eighty-one thousand, three hundred forty-two".