273513402343 has 4 divisors (see below), whose sum is σ = 273514717408. Its totient is φ = 273512087280.

The previous prime is 273513402293. The next prime is 273513402359. The reversal of 273513402343 is 343204315372.

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

It is a cyclic number.

It is not a de Polignac number, because 273513402343 - 2²⁵ = 273479847911 is a prime.

It is a super-2 number, since 2×273513402343² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273513400343) 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, 269046 + ... + 787027.

It is an arithmetic number, because the mean of its divisors is an integer number (68378679352).

Almost surely, 2^273513402343 is an apocalyptic number.

273513402343 is a deficient number, since it is larger than the sum of its proper divisors (1315065).

273513402343 is a wasteful number, since it uses less digits than its factorization.

273513402343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315064.

The product of its (nonzero) digits is 181440, while the sum is 37.

The spelling of 273513402343 in words is "two hundred seventy-three billion, five hundred thirteen million, four hundred two thousand, three hundred forty-three".