2167340459 has 4 divisors (see below), whose sum is σ = 2167675104. Its totient is φ = 2167005816.

The previous prime is 2167340449. The next prime is 2167340467. The reversal of 2167340459 is 9540437612.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2167340459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2167340419) 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, 157412 + ... + 170625.

It is an arithmetic number, because the mean of its divisors is an integer number (541918776).

Almost surely, 2^2167340459 is an apocalyptic number.

2167340459 is a deficient number, since it is larger than the sum of its proper divisors (334645).

2167340459 is an equidigital number, since it uses as much as digits as its factorization.

2167340459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334644.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 2167340459 is about 46554.7039406331. The cubic root of 2167340459 is about 1294.1234676074.

The spelling of 2167340459 in words is "two billion, one hundred sixty-seven million, three hundred forty thousand, four hundred fifty-nine".