673514109505 has 4 divisors (see below), whose sum is σ = 808216931412. Its totient is φ = 538811287600.

The previous prime is 673514109487. The next prime is 673514109509. The reversal of 673514109505 is 505901415376.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 187859831184 + 485654278321 = 433428^2 + 696889^2 .

It is not a de Polignac number, because 673514109505 - 2²³ = 673505720897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673514109509) 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 3 ways as a sum of consecutive naturals, for example, 67351410946 + ... + 67351410955.

It is an arithmetic number, because the mean of its divisors is an integer number (202054232853).

Almost surely, 2^673514109505 is an apocalyptic number.

It is an amenable number.

673514109505 is a deficient number, since it is larger than the sum of its proper divisors (134702821907).

673514109505 is a wasteful number, since it uses less digits than its factorization.

673514109505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134702821906.

The product of its (nonzero) digits is 567000, while the sum is 46.

The spelling of 673514109505 in words is "six hundred seventy-three billion, five hundred fourteen million, one hundred nine thousand, five hundred five".