673687006841 has 4 divisors (see below), whose sum is σ = 688020772992. Its totient is φ = 659353240692.

The previous prime is 673687006819. The next prime is 673687006843. The reversal of 673687006841 is 148600786376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673687006841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673687006843) 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, 7166883005 + ... + 7166883098.

It is an arithmetic number, because the mean of its divisors is an integer number (172005193248).

Almost surely, 2^673687006841 is an apocalyptic number.

It is an amenable number.

673687006841 is a deficient number, since it is larger than the sum of its proper divisors (14333766151).

673687006841 is a wasteful number, since it uses less digits than its factorization.

673687006841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14333766150.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 673687006841 in words is "six hundred seventy-three billion, six hundred eighty-seven million, six thousand, eight hundred forty-one".