7112771969 has 2 divisors, whose sum is σ = 7112771970. Its totient is φ = 7112771968.

The previous prime is 7112771957. The next prime is 7112772049. The reversal of 7112771969 is 9691772117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5574563569 + 1538208400 = 74663^2 + 39220^2 .

It is an emirp because it is prime and its reverse (9691772117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7112771969 - 2³² = 2817804673 is a prime.

It is a super-2 number, since 2×7112771969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7112771909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3556385984 + 3556385985.

It is an arithmetic number, because the mean of its divisors is an integer number (3556385985).

Almost surely, 2^7112771969 is an apocalyptic number.

It is an amenable number.

7112771969 is a deficient number, since it is larger than the sum of its proper divisors (1).

7112771969 is an equidigital number, since it uses as much as digits as its factorization.

7112771969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 333396, while the sum is 50.

The square root of 7112771969 is about 84337.2513720954. The cubic root of 7112771969 is about 1923.1491261462.

The spelling of 7112771969 in words is "seven billion, one hundred twelve million, seven hundred seventy-one thousand, nine hundred sixty-nine".