673400678101 has 4 divisors (see below), whose sum is σ = 676218254400. Its totient is φ = 670583101804.

The previous prime is 673400678077. The next prime is 673400678161. The reversal of 673400678101 is 101876004376.

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 not a de Polignac number, because 673400678101 - 2⁷ = 673400677973 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 (673400678161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408787791 + ... + 1408788268.

It is an arithmetic number, because the mean of its divisors is an integer number (169054563600).

Almost surely, 2^673400678101 is an apocalyptic number.

It is an amenable number.

673400678101 is a deficient number, since it is larger than the sum of its proper divisors (2817576299).

673400678101 is a wasteful number, since it uses less digits than its factorization.

673400678101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817576298.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 673400678101 in words is "six hundred seventy-three billion, four hundred million, six hundred seventy-eight thousand, one hundred one".