673544445376 has 28 divisors (see below), whose sum is σ = 1458070647480. Its totient is φ = 306156565760.

The previous prime is 673544445367. The next prime is 673544445383.

It is a happy number.

673544445376 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 673544445376.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478368931 + ... + 478370338.

Almost surely, 2^673544445376 is an apocalyptic number.

It is an amenable number.

673544445376 is an abundant number, since it is smaller than the sum of its proper divisors (784526202104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673544445376 is a wasteful number, since it uses less digits than its factorization.

673544445376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956739292 (or 956739282 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 58.

The spelling of 673544445376 in words is "six hundred seventy-three billion, five hundred forty-four million, four hundred forty-five thousand, three hundred seventy-six".