5164798217 has 4 divisors (see below), whose sum is σ = 5304387396. Its totient is φ = 5025209040.

The previous prime is 5164798211. The next prime is 5164798231. The reversal of 5164798217 is 7128974615.

It is a happy number.

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 4058836681 + 1105961536 = 63709^2 + 33256^2 .

It is a cyclic number.

It is not a de Polignac number, because 5164798217 - 2⁴ = 5164798201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5164798211) 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, 69794534 + ... + 69794607.

It is an arithmetic number, because the mean of its divisors is an integer number (1326096849).

Almost surely, 2^5164798217 is an apocalyptic number.

It is an amenable number.

5164798217 is a deficient number, since it is larger than the sum of its proper divisors (139589179).

5164798217 is a wasteful number, since it uses less digits than its factorization.

5164798217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139589178.

The product of its digits is 846720, while the sum is 50.

The square root of 5164798217 is about 71866.5305757833. The cubic root of 5164798217 is about 1728.5599761263.

The spelling of 5164798217 in words is "five billion, one hundred sixty-four million, seven hundred ninety-eight thousand, two hundred seventeen".