5171547869 has 2 divisors, whose sum is σ = 5171547870. Its totient is φ = 5171547868.

The previous prime is 5171547863. The next prime is 5171547923. The reversal of 5171547869 is 9687451715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2873496025 + 2298051844 = 53605^2 + 47938^2 .

It is a cyclic number.

It is not a de Polignac number, because 5171547869 - 2²⁴ = 5154770653 is a prime.

It is a super-2 number, since 2×5171547869² = 53489814722716882322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5171547869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5171547863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585773934 + 2585773935.

It is an arithmetic number, because the mean of its divisors is an integer number (2585773935).

Almost surely, 2^5171547869 is an apocalyptic number.

It is an amenable number.

5171547869 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171547869 is an equidigital number, since it uses as much as digits as its factorization.

5171547869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 53.

The square root of 5171547869 is about 71913.4748778002. The cubic root of 5171547869 is about 1729.3126418358.

The spelling of 5171547869 in words is "five billion, one hundred seventy-one million, five hundred forty-seven thousand, eight hundred sixty-nine".