343273733257673 has 4 divisors (see below), whose sum is σ = 363466305802260. Its totient is φ = 323081160713088.

The previous prime is 343273733257541. The next prime is 343273733257711. The reversal of 343273733257673 is 376752337372343.

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 309852477301129 + 33421255956544 = 17602627^2 + 5781112^2 .

It is a cyclic number.

It is not a de Polignac number, because 343273733257673 - 2⁸ = 343273733257417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343273733253673) 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, 10096286272268 + ... + 10096286272301.

It is an arithmetic number, because the mean of its divisors is an integer number (90866576450565).

Almost surely, 2^{343273733257673} is an apocalyptic number.

It is an amenable number.

343273733257673 is a deficient number, since it is larger than the sum of its proper divisors (20192572544587).

343273733257673 is a wasteful number, since it uses less digits than its factorization.

343273733257673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20192572544586.

The product of its digits is 840157920, while the sum is 65.

The spelling of 343273733257673 in words is "three hundred forty-three trillion, two hundred seventy-three billion, seven hundred thirty-three million, two hundred fifty-seven thousand, six hundred seventy-three".