716509859519 has 4 divisors (see below), whose sum is σ = 721073616744. Its totient is φ = 711946102296.

The previous prime is 716509859477. The next prime is 716509859557. The reversal of 716509859519 is 915958905617.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 716509859519 - 2³² = 712214892223 is a prime.

It is a super-2 number, since 2×716509859519² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716509850519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2281878377 + ... + 2281878690.

It is an arithmetic number, because the mean of its divisors is an integer number (180268404186).

Almost surely, 2^716509859519 is an apocalyptic number.

716509859519 is a deficient number, since it is larger than the sum of its proper divisors (4563757225).

716509859519 is a wasteful number, since it uses less digits than its factorization.

716509859519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563757224.

The product of its (nonzero) digits is 30618000, while the sum is 65.

The spelling of 716509859519 in words is "seven hundred sixteen billion, five hundred nine million, eight hundred fifty-nine thousand, five hundred nineteen".