673662305811 has 8 divisors (see below), whose sum is σ = 979872444864. Its totient is φ = 408280185320.

The previous prime is 673662305677. The next prime is 673662305831. The reversal of 673662305811 is 118503266376.

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 673662305811 - 2⁹ = 673662305299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673662305831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10207004601 + ... + 10207004666.

It is an arithmetic number, because the mean of its divisors is an integer number (122484055608).

Almost surely, 2^673662305811 is an apocalyptic number.

673662305811 is a deficient number, since it is larger than the sum of its proper divisors (306210139053).

673662305811 is a wasteful number, since it uses less digits than its factorization.

673662305811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20414009281.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 673662305811 in words is "six hundred seventy-three billion, six hundred sixty-two million, three hundred five thousand, eight hundred eleven".