5127995669 has 2 divisors, whose sum is σ = 5127995670. Its totient is φ = 5127995668.

The previous prime is 5127995627. The next prime is 5127995699. The reversal of 5127995669 is 9665997215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2614276900 + 2513718769 = 51130^2 + 50137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5127995669 is a prime.

It is a super-2 number, since 2×5127995669² = 52592679162565515122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5127995699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2563997834 + 2563997835.

It is an arithmetic number, because the mean of its divisors is an integer number (2563997835).

Almost surely, 2^5127995669 is an apocalyptic number.

It is an amenable number.

5127995669 is a deficient number, since it is larger than the sum of its proper divisors (1).

5127995669 is an equidigital number, since it uses as much as digits as its factorization.

5127995669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9185400, while the sum is 59.

The square root of 5127995669 is about 71610.0249196996. The cubic root of 5127995669 is about 1724.4444805329. Note that the first 4 decimals are identical.

The spelling of 5127995669 in words is "five billion, one hundred twenty-seven million, nine hundred ninety-five thousand, six hundred sixty-nine".