2743056405 has 12 divisors (see below), whose sum is σ = 4754631180. Its totient is φ = 1462963392.

The previous prime is 2743056401. The next prime is 2743056427. The reversal of 2743056405 is 5046503472.

2743056405 is a `hidden beast` number, since 2 + 7 + 4 + 3 + 0 + 5 + 640 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 509359761 + 2233696644 = 22569^2 + 47262^2 .

It is not a de Polignac number, because 2743056405 - 2² = 2743056401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2743056405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2743056401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30478360 + ... + 30478449.

It is an arithmetic number, because the mean of its divisors is an integer number (396219265).

Almost surely, 2^2743056405 is an apocalyptic number.

It is an amenable number.

2743056405 is a deficient number, since it is larger than the sum of its proper divisors (2011574775).

2743056405 is a wasteful number, since it uses less digits than its factorization.

2743056405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60956820 (or 60956817 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 2743056405 is about 52374.1959842822. The cubic root of 2743056405 is about 1399.8395062618.

Adding to 2743056405 its reverse (5046503472), we get a palindrome (7789559877).

The spelling of 2743056405 in words is "two billion, seven hundred forty-three million, fifty-six thousand, four hundred five".