2551773273 has 16 divisors (see below), whose sum is σ = 3892156800. Its totient is φ = 1456753536.

The previous prime is 2551773241. The next prime is 2551773373. The reversal of 2551773273 is 3723771552.

It is not a de Polignac number, because 2551773273 - 2⁵ = 2551773241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2551773223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35890 + ... + 79947.

It is an arithmetic number, because the mean of its divisors is an integer number (243259800).

Almost surely, 2^2551773273 is an apocalyptic number.

It is an amenable number.

2551773273 is a deficient number, since it is larger than the sum of its proper divisors (1340383527).

2551773273 is a wasteful number, since it uses less digits than its factorization.

2551773273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116896.

The product of its digits is 308700, while the sum is 42.

The square root of 2551773273 is about 50515.0796594443. The cubic root of 2551773273 is about 1366.5138197165.

It can be divided in two parts, 25517 and 73273, that added together give a triangular number (98790 = T₄₄₄).

The spelling of 2551773273 in words is "two billion, five hundred fifty-one million, seven hundred seventy-three thousand, two hundred seventy-three".