6775321599623 has 4 divisors (see below), whose sum is σ = 6778347649920. Its totient is φ = 6772295549328.

The previous prime is 6775321599617. The next prime is 6775321599637. The reversal of 6775321599623 is 3269951235776.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6775321599623 - 2¹⁸ = 6775321337479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6775321599623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6775321589623) 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, 1513021790 + ... + 1513026267.

It is an arithmetic number, because the mean of its divisors is an integer number (1694586912480).

Almost surely, 2^{6775321599623} is an apocalyptic number.

6775321599623 is a deficient number, since it is larger than the sum of its proper divisors (3026050297).

6775321599623 is a wasteful number, since it uses less digits than its factorization.

6775321599623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026050296.

The product of its digits is 128595600, while the sum is 65.

The spelling of 6775321599623 in words is "six trillion, seven hundred seventy-five billion, three hundred twenty-one million, five hundred ninety-nine thousand, six hundred twenty-three".