2273721489 has 32 divisors (see below), whose sum is σ = 3642777600. Its totient is φ = 1393355520.

The previous prime is 2273721487. The next prime is 2273721493. The reversal of 2273721489 is 9841273722.

It is not a de Polignac number, because 2273721489 - 2¹ = 2273721487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2273721487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71152 + ... + 98030.

It is an arithmetic number, because the mean of its divisors is an integer number (113836800).

Almost surely, 2^2273721489 is an apocalyptic number.

It is an amenable number.

2273721489 is a deficient number, since it is larger than the sum of its proper divisors (1369056111).

2273721489 is a wasteful number, since it uses less digits than its factorization.

2273721489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27142 (or 27136 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 2273721489 is about 47683.5557503842. Note that the first 3 decimals coincide. The cubic root of 2273721489 is about 1314.9596365564.

The spelling of 2273721489 in words is "two billion, two hundred seventy-three million, seven hundred twenty-one thousand, four hundred eighty-nine".