5217538845 has 64 divisors (see below), whose sum is σ = 8957620224. Its totient is φ = 2586862080.

The previous prime is 5217538819. The next prime is 5217538853. The reversal of 5217538845 is 5488357125.

It is not a de Polignac number, because 5217538845 - 2⁵ = 5217538813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5217538794 and 5217538803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4907784 + ... + 4908846.

It is an arithmetic number, because the mean of its divisors is an integer number (139962816).

Almost surely, 2^5217538845 is an apocalyptic number.

It is an amenable number.

5217538845 is a deficient number, since it is larger than the sum of its proper divisors (3740081379).

5217538845 is a wasteful number, since it uses less digits than its factorization.

5217538845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482.

The product of its digits is 1344000, while the sum is 48.

The square root of 5217538845 is about 72232.5331481598. The cubic root of 5217538845 is about 1734.4238240488.

The spelling of 5217538845 in words is "five billion, two hundred seventeen million, five hundred thirty-eight thousand, eight hundred forty-five".