2745399563 has 4 divisors (see below), whose sum is σ = 2746386720. Its totient is φ = 2744412408.

The previous prime is 2745399557. The next prime is 2745399691. The reversal of 2745399563 is 3659935472.

2745399563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2745399563 - 2⁶ = 2745399499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2745399263) 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, 489395 + ... + 494972.

It is an arithmetic number, because the mean of its divisors is an integer number (686596680).

Almost surely, 2^2745399563 is an apocalyptic number.

2745399563 is a deficient number, since it is larger than the sum of its proper divisors (987157).

2745399563 is an equidigital number, since it uses as much as digits as its factorization.

2745399563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987156.

The product of its digits is 6123600, while the sum is 53.

The square root of 2745399563 is about 52396.5606027724. The cubic root of 2745399563 is about 1400.2379804627.

The spelling of 2745399563 in words is "two billion, seven hundred forty-five million, three hundred ninety-nine thousand, five hundred sixty-three".