2745443535844 has 27 divisors (see below), whose sum is σ = 4909203631843. Its totient is φ = 1343438702648.

The previous prime is 2745443535841. The next prime is 2745443535871. The reversal of 2745443535844 is 4485353445472.

The square root of 2745443535844 is 1656938.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2745443535841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 155743359 + ... + 155760985.

Almost surely, 2^{2745443535844} is an apocalyptic number.

2745443535844 is the 1656938-th square number.

It is an amenable number.

2745443535844 is a deficient number, since it is larger than the sum of its proper divisors (2163760095999).

2745443535844 is an frugal number, since it uses more digits than its factorization.

2745443535844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35352 (or 17676 counting only the distinct ones).

The product of its digits is 129024000, while the sum is 58.

The spelling of 2745443535844 in words is "two trillion, seven hundred forty-five billion, four hundred forty-three million, five hundred thirty-five thousand, eight hundred forty-four".