662438284023 has 4 divisors (see below), whose sum is σ = 883251045368. Its totient is φ = 441625522680.

The previous prime is 662438284019. The next prime is 662438284031. The reversal of 662438284023 is 320482834266.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 662438284023 - 2² = 662438284019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662438284073) 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, 110406380668 + ... + 110406380673.

It is an arithmetic number, because the mean of its divisors is an integer number (220812761342).

Almost surely, 2^662438284023 is an apocalyptic number.

662438284023 is a deficient number, since it is larger than the sum of its proper divisors (220812761345).

662438284023 is a wasteful number, since it uses less digits than its factorization.

662438284023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220812761344.

The product of its (nonzero) digits is 2654208, while the sum is 48.

The spelling of 662438284023 in words is "six hundred sixty-two billion, four hundred thirty-eight million, two hundred eighty-four thousand, twenty-three".