5571716999 has 2 divisors, whose sum is σ = 5571717000. Its totient is φ = 5571716998.

The previous prime is 5571716989. The next prime is 5571717013. The reversal of 5571716999 is 9996171755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5571716999 - 2²⁰ = 5570668423 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5571716939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785858499 + 2785858500.

It is an arithmetic number, because the mean of its divisors is an integer number (2785858500).

Almost surely, 2^5571716999 is an apocalyptic number.

5571716999 is a deficient number, since it is larger than the sum of its proper divisors (1).

5571716999 is an equidigital number, since it uses as much as digits as its factorization.

5571716999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5358150, while the sum is 59.

The square root of 5571716999 is about 74643.9347770467. The cubic root of 5571716999 is about 1772.8133622781.

The spelling of 5571716999 in words is "five billion, five hundred seventy-one million, seven hundred sixteen thousand, nine hundred ninety-nine".