2745317856709 has 8 divisors (see below), whose sum is σ = 2983027892480. Its totient is φ = 2516929783200.

The previous prime is 2745317856637. The next prime is 2745317856779. The reversal of 2745317856709 is 9076587135472.

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

It is a cyclic number.

It is not a de Polignac number, because 2745317856709 - 2¹⁹ = 2745317332421 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 (2745317856779) 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, 2330489952 + ... + 2330491129.

It is an arithmetic number, because the mean of its divisors is an integer number (372878486560).

It is a 1-persistent number, because it is pandigital, but 2⋅2745317856709 = 5490635713418 is not.

Almost surely, 2^{2745317856709} is an apocalyptic number.

It is an amenable number.

2745317856709 is a deficient number, since it is larger than the sum of its proper divisors (237710035771).

2745317856709 is a wasteful number, since it uses less digits than its factorization.

2745317856709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660981131.

The product of its (nonzero) digits is 88905600, while the sum is 64.

The spelling of 2745317856709 in words is "two trillion, seven hundred forty-five billion, three hundred seventeen million, eight hundred fifty-six thousand, seven hundred nine".