2259380509 has 4 divisors (see below), whose sum is σ = 2259489600. Its totient is φ = 2259271420.

The previous prime is 2259380503. The next prime is 2259380521. The reversal of 2259380509 is 9050839522.

It is a happy number.

2259380509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9050839522 = 2 ⋅4525419761.

It is a cyclic number.

It is not a de Polignac number, because 2259380509 - 2⁵ = 2259380477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259380503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12859 + ... + 68440.

It is an arithmetic number, because the mean of its divisors is an integer number (564872400).

Almost surely, 2^2259380509 is an apocalyptic number.

It is an amenable number.

2259380509 is a deficient number, since it is larger than the sum of its proper divisors (109091).

2259380509 is an equidigital number, since it uses as much as digits as its factorization.

2259380509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109090.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 2259380509 is about 47532.9413039000. The cubic root of 2259380509 is about 1312.1892010150.

The spelling of 2259380509 in words is "two billion, two hundred fifty-nine million, three hundred eighty thousand, five hundred nine".