673529286823 has 4 divisors (see below), whose sum is σ = 673906193640. Its totient is φ = 673152380008.

The previous prime is 673529286811. The next prime is 673529286953. The reversal of 673529286823 is 328682925376.

673529286823 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.

It is a cyclic number.

It is not a de Polignac number, because 673529286823 - 2⁵ = 673529286791 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 (673529226823) 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, 188450728 + ... + 188454301.

It is an arithmetic number, because the mean of its divisors is an integer number (168476548410).

Almost surely, 2^673529286823 is an apocalyptic number.

673529286823 is a deficient number, since it is larger than the sum of its proper divisors (376906817).

673529286823 is a wasteful number, since it uses less digits than its factorization.

673529286823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376906816.

The product of its digits is 52254720, while the sum is 61.

The spelling of 673529286823 in words is "six hundred seventy-three billion, five hundred twenty-nine million, two hundred eighty-six thousand, eight hundred twenty-three".