673963911 has 6 divisors (see below), whose sum is σ = 973503440. Its totient is φ = 449309268.

The previous prime is 673963909. The next prime is 673963919. The reversal of 673963911 is 119369376.

673963911 is a `hidden beast` number, since 6 + 7 + 3 + 9 + 639 + 1 + 1 = 666.

It is not a de Polignac number, because 673963911 - 2¹ = 673963909 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 (673963919) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 37442431 + ... + 37442448.

Almost surely, 2^673963911 is an apocalyptic number.

673963911 is a deficient number, since it is larger than the sum of its proper divisors (299539529).

673963911 is a wasteful number, since it uses less digits than its factorization.

673963911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74884885 (or 74884882 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 673963911 is about 25960.8149140199. The cubic root of 673963911 is about 876.7562705009.

The spelling of 673963911 in words is "six hundred seventy-three million, nine hundred sixty-three thousand, nine hundred eleven".