5216669989 has 4 divisors (see below), whose sum is σ = 5217012556. Its totient is φ = 5216327424.

The previous prime is 5216669981. The next prime is 5216670037. The reversal of 5216669989 is 9899666125.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4518125089 + 698544900 = 67217^2 + 26430^2 .

It is a cyclic number.

It is not a de Polignac number, because 5216669989 - 2³ = 5216669981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5216669981) 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, 147324 + ... + 179269.

It is an arithmetic number, because the mean of its divisors is an integer number (1304253139).

Almost surely, 2^5216669989 is an apocalyptic number.

It is an amenable number.

5216669989 is a deficient number, since it is larger than the sum of its proper divisors (342567).

5216669989 is a wasteful number, since it uses less digits than its factorization.

5216669989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342566.

The product of its digits is 12597120, while the sum is 61.

The square root of 5216669989 is about 72226.5185994729. The cubic root of 5216669989 is about 1734.3275431363.

The spelling of 5216669989 in words is "five billion, two hundred sixteen million, six hundred sixty-nine thousand, nine hundred eighty-nine".