2743128497 has 4 divisors (see below), whose sum is σ = 2746026096. Its totient is φ = 2740230900.

The previous prime is 2743128481. The next prime is 2743128569. The reversal of 2743128497 is 7948213472.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2743128497 - 2⁴ = 2743128481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2743128697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1447379 + ... + 1449272.

It is an arithmetic number, because the mean of its divisors is an integer number (686506524).

Almost surely, 2^2743128497 is an apocalyptic number.

It is an amenable number.

2743128497 is a deficient number, since it is larger than the sum of its proper divisors (2897599).

2743128497 is an equidigital number, since it uses as much as digits as its factorization.

2743128497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897598.

The product of its digits is 677376, while the sum is 47.

The square root of 2743128497 is about 52374.8842194424. The cubic root of 2743128497 is about 1399.8517695102.

The spelling of 2743128497 in words is "two billion, seven hundred forty-three million, one hundred twenty-eight thousand, four hundred ninety-seven".