814914459 has 16 divisors (see below), whose sum is σ = 1207726240. Its totient is φ = 543075840.

The previous prime is 814914439. The next prime is 814914479. The reversal of 814914459 is 954419418.

It is a happy number.

814914459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (814914439) and next prime (814914479).

It is not a de Polignac number, because 814914459 - 2⁸ = 814914203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814914439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122499 + ... + 128979.

It is an arithmetic number, because the mean of its divisors is an integer number (75482890).

Almost surely, 2^814914459 is an apocalyptic number.

814914459 is a deficient number, since it is larger than the sum of its proper divisors (392811781).

814914459 is a wasteful number, since it uses less digits than its factorization.

814914459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11147 (or 11141 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 814914459 is about 28546.7066226561. The cubic root of 814914459 is about 934.0511823383.

The spelling of 814914459 in words is "eight hundred fourteen million, nine hundred fourteen thousand, four hundred fifty-nine".