8371711969 has 2 divisors, whose sum is σ = 8371711970. Its totient is φ = 8371711968.

The previous prime is 8371711963. The next prime is 8371711979. The reversal of 8371711969 is 9691171738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6714163600 + 1657548369 = 81940^2 + 40713^2 .

It is a cyclic number.

It is not a de Polignac number, because 8371711969 - 2⁹ = 8371711457 is a prime.

It is a super-2 number, since 2×8371711969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8371711963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4185855984 + 4185855985.

It is an arithmetic number, because the mean of its divisors is an integer number (4185855985).

Almost surely, 2^8371711969 is an apocalyptic number.

It is an amenable number.

8371711969 is a deficient number, since it is larger than the sum of its proper divisors (1).

8371711969 is an equidigital number, since it uses as much as digits as its factorization.

8371711969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 52.

The square root of 8371711969 is about 91497.0598926545. The cubic root of 8371711969 is about 2030.5082543203.

The spelling of 8371711969 in words is "eight billion, three hundred seventy-one million, seven hundred eleven thousand, nine hundred sixty-nine".