2705421773273 has 4 divisors (see below), whose sum is σ = 2705433422208. Its totient is φ = 2705410124340.

The previous prime is 2705421773261. The next prime is 2705421773281. The reversal of 2705421773273 is 3723771245072.

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 2705421773273 - 2⁶ = 2705421773209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2705421713273) 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, 5468861 + ... + 5943002.

It is an arithmetic number, because the mean of its divisors is an integer number (676358355552).

Almost surely, 2^{2705421773273} is an apocalyptic number.

It is an amenable number.

2705421773273 is a deficient number, since it is larger than the sum of its proper divisors (11648935).

2705421773273 is a wasteful number, since it uses less digits than its factorization.

2705421773273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11648934.

The product of its (nonzero) digits is 3457440, while the sum is 50.

The spelling of 2705421773273 in words is "two trillion, seven hundred five billion, four hundred twenty-one million, seven hundred seventy-three thousand, two hundred seventy-three".