2126747273 has 16 divisors (see below), whose sum is σ = 2561712000. Its totient is φ = 1724810112.

The previous prime is 2126747267. The next prime is 2126747303. The reversal of 2126747273 is 3727476212.

It is a cyclic number.

It is not a de Polignac number, because 2126747273 - 2¹⁸ = 2126485129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2126747273.

It is not an unprimeable number, because it can be changed into a prime (2126747173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100613 + ... + 119901.

It is an arithmetic number, because the mean of its divisors is an integer number (160107000).

Almost surely, 2^2126747273 is an apocalyptic number.

It is an amenable number.

2126747273 is a deficient number, since it is larger than the sum of its proper divisors (434964727).

2126747273 is a wasteful number, since it uses less digits than its factorization.

2126747273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20144.

The product of its digits is 197568, while the sum is 41.

The square root of 2126747273 is about 46116.6702288879. The cubic root of 2126747273 is about 1285.9930698455.

The spelling of 2126747273 in words is "two billion, one hundred twenty-six million, seven hundred forty-seven thousand, two hundred seventy-three".