2945741708729 has 4 divisors (see below), whose sum is σ = 3047319009060. Its totient is φ = 2844164408400.

The previous prime is 2945741708717. The next prime is 2945741708747. The reversal of 2945741708729 is 9278071475492.

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 2077633960000 + 868107748729 = 1441400^2 + 931723^2 .

It is a cyclic number.

It is not a de Polignac number, because 2945741708729 - 2⁸ = 2945741708473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2945741708029) 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, 50788650122 + ... + 50788650179.

It is an arithmetic number, because the mean of its divisors is an integer number (761829752265).

Almost surely, 2^{2945741708729} is an apocalyptic number.

2945741708729 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2945741708729 is a deficient number, since it is larger than the sum of its proper divisors (101577300331).

2945741708729 is a wasteful number, since it uses less digits than its factorization.

2945741708729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101577300330.

The product of its (nonzero) digits is 71124480, while the sum is 65.

The spelling of 2945741708729 in words is "two trillion, nine hundred forty-five billion, seven hundred forty-one million, seven hundred eight thousand, seven hundred twenty-nine".