2280731049 has 9 divisors (see below), whose sum is σ = 3294596253. Its totient is φ = 1520391852.

The previous prime is 2280731041. The next prime is 2280731059. The reversal of 2280731049 is 9401370822.

The square root of 2280731049 is 47757.

It is a perfect power (a square), and thus also a powerful number.

2280731049 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2280731049 - 2³ = 2280731041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2280731041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 135312 + ... + 151230.

Almost surely, 2^2280731049 is an apocalyptic number.

2280731049 is the 47757-th square number.

2280731049 is the 23879-th centered octagonal number.

It is an amenable number.

2280731049 is a deficient number, since it is larger than the sum of its proper divisors (1013865204).

2280731049 is an frugal number, since it uses more digits than its factorization.

2280731049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31844 (or 15922 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The cubic root of 2280731049 is about 1316.3095281828.

Multiplying 2280731049 by its sum of digits (36), we get a square (82106317764 = 286542²).

The spelling of 2280731049 in words is "two billion, two hundred eighty million, seven hundred thirty-one thousand, forty-nine".