2745035303721 has 8 divisors (see below), whose sum is σ = 3661301813184. Its totient is φ = 1829396165040.

The previous prime is 2745035303711. The next prime is 2745035303729. The reversal of 2745035303721 is 1273035305472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2745035303721 - 2⁹ = 2745035303209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2745035303729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156832485 + ... + 156849986.

It is an arithmetic number, because the mean of its divisors is an integer number (457662726648).

Almost surely, 2^{2745035303721} is an apocalyptic number.

It is an amenable number.

2745035303721 is a deficient number, since it is larger than the sum of its proper divisors (916266509463).

2745035303721 is a wasteful number, since it uses less digits than its factorization.

2745035303721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313685391.

The product of its (nonzero) digits is 529200, while the sum is 42.

The spelling of 2745035303721 in words is "two trillion, seven hundred forty-five billion, thirty-five million, three hundred three thousand, seven hundred twenty-one".