5171966563 has 2 divisors, whose sum is σ = 5171966564. Its totient is φ = 5171966562.

The previous prime is 5171966543. The next prime is 5171966629. The reversal of 5171966563 is 3656691715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5171966563 - 2⁵ = 5171966531 is a prime.

It is not a weakly prime, because it can be changed into another prime (5171966533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585983281 + 2585983282.

It is an arithmetic number, because the mean of its divisors is an integer number (2585983282).

Almost surely, 2^5171966563 is an apocalyptic number.

5171966563 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171966563 is an equidigital number, since it uses as much as digits as its factorization.

5171966563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 49.

The square root of 5171966563 is about 71916.3859144771. The cubic root of 5171966563 is about 1729.3593095715.

The spelling of 5171966563 in words is "five billion, one hundred seventy-one million, nine hundred sixty-six thousand, five hundred sixty-three".