514123689 has 4 divisors (see below), whose sum is σ = 685498256. Its totient is φ = 342749124.

The previous prime is 514123667. The next prime is 514123693. The reversal of 514123689 is 986321415.

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.

It is a de Polignac number, because none of the positive numbers 2^k-514123689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514123789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85687279 + ... + 85687284.

It is an arithmetic number, because the mean of its divisors is an integer number (171374564).

Almost surely, 2^514123689 is an apocalyptic number.

It is an amenable number.

514123689 is a deficient number, since it is larger than the sum of its proper divisors (171374567).

514123689 is a wasteful number, since it uses less digits than its factorization.

514123689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171374566.

The product of its digits is 51840, while the sum is 39.

The square root of 514123689 is about 22674.2957773775. The cubic root of 514123689 is about 801.1045622467.

The spelling of 514123689 in words is "five hundred fourteen million, one hundred twenty-three thousand, six hundred eighty-nine".