2745781365 has 16 divisors (see below), whose sum is σ = 4394533248. Its totient is φ = 1463989056.

The previous prime is 2745781319. The next prime is 2745781373. The reversal of 2745781365 is 5631875472.

2745781365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2745781365 - 2⁶ = 2745781301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30264 + ... + 80046.

It is an arithmetic number, because the mean of its divisors is an integer number (274658328).

Almost surely, 2^2745781365 is an apocalyptic number.

It is an amenable number.

2745781365 is a deficient number, since it is larger than the sum of its proper divisors (1648751883).

2745781365 is a wasteful number, since it uses less digits than its factorization.

2745781365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53468.

The product of its digits is 1411200, while the sum is 48.

The square root of 2745781365 is about 52400.2038641072. The cubic root of 2745781365 is about 1400.3028876973.

The spelling of 2745781365 in words is "two billion, seven hundred forty-five million, seven hundred eighty-one thousand, three hundred sixty-five".