7183261649 has 2 divisors, whose sum is σ = 7183261650. Its totient is φ = 7183261648.

The previous prime is 7183261601. The next prime is 7183261693. The reversal of 7183261649 is 9461623817.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6892320400 + 290941249 = 83020^2 + 17057^2 .

It is an emirp because it is prime and its reverse (9461623817) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7183261649 is a prime.

It is not a weakly prime, because it can be changed into another prime (7183261699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3591630824 + 3591630825.

It is an arithmetic number, because the mean of its divisors is an integer number (3591630825).

Almost surely, 2^7183261649 is an apocalyptic number.

It is an amenable number.

7183261649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7183261649 is an equidigital number, since it uses as much as digits as its factorization.

7183261649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The square root of 7183261649 is about 84754.1246724901. The cubic root of 7183261649 is about 1929.4812470155.

The spelling of 7183261649 in words is "seven billion, one hundred eighty-three million, two hundred sixty-one thousand, six hundred forty-nine".