673333888945 has 8 divisors (see below), whose sum is σ = 813147168744. Its totient is φ = 535236109824.

The previous prime is 673333888937. The next prime is 673333888951. The reversal of 673333888945 is 549888333376.

It can be written as a sum of positive squares in 4 ways, for example, as 192404641 + 673141484304 = 13871^2 + 820452^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 673333888945 - 2³ = 673333888937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428874304 + ... + 428875873.

It is an arithmetic number, because the mean of its divisors is an integer number (101643396093).

Almost surely, 2^673333888945 is an apocalyptic number.

It is an amenable number.

673333888945 is a deficient number, since it is larger than the sum of its proper divisors (139813279799).

673333888945 is a wasteful number, since it uses less digits than its factorization.

673333888945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857750339.

The product of its digits is 313528320, while the sum is 67.

The spelling of 673333888945 in words is "six hundred seventy-three billion, three hundred thirty-three million, eight hundred eighty-eight thousand, nine hundred forty-five".