2691459223 has 4 divisors (see below), whose sum is σ = 2691802960. Its totient is φ = 2691115488.

The previous prime is 2691459209. The next prime is 2691459229. The reversal of 2691459223 is 3229541962.

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-2691459223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2691459223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2691459229) 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, 159843 + ... + 175876.

It is an arithmetic number, because the mean of its divisors is an integer number (672950740).

Almost surely, 2^2691459223 is an apocalyptic number.

2691459223 is a deficient number, since it is larger than the sum of its proper divisors (343737).

2691459223 is an equidigital number, since it uses as much as digits as its factorization.

2691459223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343736.

The product of its digits is 233280, while the sum is 43.

The square root of 2691459223 is about 51879.2754671844. The cubic root of 2691459223 is about 1391.0068482772.

The spelling of 2691459223 in words is "two billion, six hundred ninety-one million, four hundred fifty-nine thousand, two hundred twenty-three".