5216643045 has 24 divisors (see below), whose sum is σ = 9048603096. Its totient is φ = 2780233728.

The previous prime is 5216643037. The next prime is 5216643121. The reversal of 5216643045 is 5403466125.

5216643045 is a `hidden beast` number, since 5 + 2 + 1 + 6 + 643 + 0 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2366044164 + 2850598881 = 48642^2 + 53391^2 .

It is not a de Polignac number, because 5216643045 - 2³ = 5216643037 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24037 + ... + 104933.

It is an arithmetic number, because the mean of its divisors is an integer number (377025129).

Almost surely, 2^5216643045 is an apocalyptic number.

It is an amenable number.

5216643045 is a deficient number, since it is larger than the sum of its proper divisors (3831960051).

5216643045 is a wasteful number, since it uses less digits than its factorization.

5216643045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82341 (or 82338 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 5216643045 is about 72226.3320749434. The cubic root of 5216643045 is about 1734.3245572084.

The spelling of 5216643045 in words is "five billion, two hundred sixteen million, six hundred forty-three thousand, forty-five".