2743397855 has 64 divisors (see below), whose sum is σ = 3807129600. Its totient is φ = 1879680000.

The previous prime is 2743397851. The next prime is 2743397927. The reversal of 2743397855 is 5587933472.

It is a happy number.

It is not a de Polignac number, because 2743397855 - 2² = 2743397851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2743397797 and 2743397806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2743397851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15326156 + ... + 15326334.

It is an arithmetic number, because the mean of its divisors is an integer number (59486400).

Almost surely, 2^2743397855 is an apocalyptic number.

2743397855 is a deficient number, since it is larger than the sum of its proper divisors (1063731745).

2743397855 is a wasteful number, since it uses less digits than its factorization.

2743397855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its digits is 6350400, while the sum is 53.

The square root of 2743397855 is about 52377.4555987593. The cubic root of 2743397855 is about 1399.8975868962.

The spelling of 2743397855 in words is "two billion, seven hundred forty-three million, three hundred ninety-seven thousand, eight hundred fifty-five".