2743553385 has 48 divisors (see below), whose sum is σ = 4853506320. Its totient is φ = 1433272320.

The previous prime is 2743553377. The next prime is 2743553389. The reversal of 2743553385 is 5833553472.

2743553385 is a `hidden beast` number, since 2 + 7 + 4 + 35 + 533 + 85 = 666.

2743553385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 14953689 + 2728599696 = 3867^2 + 52236^2 .

It is not a de Polignac number, because 2743553385 - 2³ = 2743553377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2743553385.

It is not an unprimeable number, because it can be changed into a prime (2743553389) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 703521 + ... + 707409.

It is an arithmetic number, because the mean of its divisors is an integer number (101114715).

Almost surely, 2^2743553385 is an apocalyptic number.

It is an amenable number.

2743553385 is a deficient number, since it is larger than the sum of its proper divisors (2109952935).

2743553385 is a wasteful number, since it uses less digits than its factorization.

2743553385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218 (or 4215 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The square root of 2743553385 is about 52378.9402813764. The cubic root of 2743553385 is about 1399.9240409468.

The spelling of 2743553385 in words is "two billion, seven hundred forty-three million, five hundred fifty-three thousand, three hundred eighty-five".