2945075420173 has 4 divisors (see below), whose sum is σ = 2948653884448. Its totient is φ = 2941496955900.

The previous prime is 2945075420171. The next prime is 2945075420197. The reversal of 2945075420173 is 3710245705492.

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 2945075420173 - 2¹ = 2945075420171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945075420171) 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, 1789230903 + ... + 1789232548.

It is an arithmetic number, because the mean of its divisors is an integer number (737163471112).

Almost surely, 2^{2945075420173} is an apocalyptic number.

It is an amenable number.

2945075420173 is a deficient number, since it is larger than the sum of its proper divisors (3578464275).

2945075420173 is an equidigital number, since it uses as much as digits as its factorization.

2945075420173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578464274.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 2945075420173 in words is "two trillion, nine hundred forty-five billion, seventy-five million, four hundred twenty thousand, one hundred seventy-three".