2391283459 has 4 divisors (see below), whose sum is σ = 2394240120. Its totient is φ = 2388326800.

The previous prime is 2391283429. The next prime is 2391283463. The reversal of 2391283459 is 9543821932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2391283459 - 2¹⁹ = 2390759171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2391283409) 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, 1477117 + ... + 1478734.

It is an arithmetic number, because the mean of its divisors is an integer number (598560030).

Almost surely, 2^2391283459 is an apocalyptic number.

2391283459 is a deficient number, since it is larger than the sum of its proper divisors (2956661).

2391283459 is an equidigital number, since it uses as much as digits as its factorization.

2391283459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956660.

The product of its digits is 466560, while the sum is 46.

The square root of 2391283459 is about 48900.7511087509. The cubic root of 2391283459 is about 1337.2430617633.

The spelling of 2391283459 in words is "two billion, three hundred ninety-one million, two hundred eighty-three thousand, four hundred fifty-nine".