673426645971 has 8 divisors (see below), whose sum is σ = 899561905104. Its totient is φ = 448121242080.

The previous prime is 673426645961. The next prime is 673426645973. The reversal of 673426645971 is 179546624376.

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

It is not a de Polignac number, because 673426645971 - 2¹⁸ = 673426383827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673426645973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207461916 + ... + 207465161.

It is an arithmetic number, because the mean of its divisors is an integer number (112445238138).

Almost surely, 2^673426645971 is an apocalyptic number.

673426645971 is a deficient number, since it is larger than the sum of its proper divisors (226135259133).

673426645971 is a wasteful number, since it uses less digits than its factorization.

673426645971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414927621.

The product of its digits is 45722880, while the sum is 60.

The spelling of 673426645971 in words is "six hundred seventy-three billion, four hundred twenty-six million, six hundred forty-five thousand, nine hundred seventy-one".