7312586849 has 2 divisors, whose sum is σ = 7312586850. Its totient is φ = 7312586848.

The previous prime is 7312586819. The next prime is 7312586881. The reversal of 7312586849 is 9486852137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4312286224 + 3000300625 = 65668^2 + 54775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7312586849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7312586849.

It is not a weakly prime, because it can be changed into another prime (7312586819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656293424 + 3656293425.

It is an arithmetic number, because the mean of its divisors is an integer number (3656293425).

Almost surely, 2^7312586849 is an apocalyptic number.

It is an amenable number.

7312586849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312586849 is an equidigital number, since it uses as much as digits as its factorization.

7312586849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 53.

The square root of 7312586849 is about 85513.6646916737. The cubic root of 7312586849 is about 1940.9917033511.

The spelling of 7312586849 in words is "seven billion, three hundred twelve million, five hundred eighty-six thousand, eight hundred forty-nine".