5171181019 has 2 divisors, whose sum is σ = 5171181020. Its totient is φ = 5171181018.

The previous prime is 5171181007. The next prime is 5171181049. The reversal of 5171181019 is 9101811715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5171181019 - 2¹⁵ = 5171148251 is a prime.

It is a super-2 number, since 2×5171181019² = 53482226262531756722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5171181049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585590509 + 2585590510.

It is an arithmetic number, because the mean of its divisors is an integer number (2585590510).

Almost surely, 2^5171181019 is an apocalyptic number.

5171181019 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171181019 is an equidigital number, since it uses as much as digits as its factorization.

5171181019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 34.

The square root of 5171181019 is about 71910.9241979270. The cubic root of 5171181019 is about 1729.2717505746.

The spelling of 5171181019 in words is "five billion, one hundred seventy-one million, one hundred eighty-one thousand, nineteen".