459716439218 has 4 divisors (see below), whose sum is σ = 689574658830. Its totient is φ = 229858219608.

The previous prime is 459716439179. The next prime is 459716439223. The reversal of 459716439218 is 812934617954.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 457751024329 + 1965414889 = 676573^2 + 44333^2 .

It is a super-2 number, since 2×459716439218² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114929109803 + ... + 114929109806.

Almost surely, 2^459716439218 is an apocalyptic number.

459716439218 is a deficient number, since it is larger than the sum of its proper divisors (229858219612).

459716439218 is a wasteful number, since it uses less digits than its factorization.

459716439218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229858219611.

The product of its digits is 13063680, while the sum is 59.

The spelling of 459716439218 in words is "four hundred fifty-nine billion, seven hundred sixteen million, four hundred thirty-nine thousand, two hundred eighteen".