516552643644719 has 4 divisors (see below), whose sum is σ = 563511974885160. Its totient is φ = 469593312404280.

The previous prime is 516552643644701. The next prime is 516552643644733. The reversal of 516552643644719 is 917446346255615.

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 516552643644719 - 2²⁴ = 516552626867503 is a prime.

It is a super-2 number, since 2×516552643644719² (a number of 30 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 (516552643644769) 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, 23479665620204 + ... + 23479665620225.

It is an arithmetic number, because the mean of its divisors is an integer number (140877993721290).

Almost surely, 2^{516552643644719} is an apocalyptic number.

516552643644719 is a deficient number, since it is larger than the sum of its proper divisors (46959331240441).

516552643644719 is a wasteful number, since it uses less digits than its factorization.

516552643644719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46959331240440.

The product of its digits is 653184000, while the sum is 68.

The spelling of 516552643644719 in words is "five hundred sixteen trillion, five hundred fifty-two billion, six hundred forty-three million, six hundred forty-four thousand, seven hundred nineteen".