7544676641 has 2 divisors, whose sum is σ = 7544676642. Its totient is φ = 7544676640.

The previous prime is 7544676631. The next prime is 7544676649. The reversal of 7544676641 is 1466764457.

It is a happy number.

7544676641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4072992400 + 3471684241 = 63820^2 + 58921^2 .

It is an emirp because it is prime and its reverse (1466764457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7544676641 - 2⁶ = 7544676577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7544676641.

It is not a weakly prime, because it can be changed into another prime (7544676649) 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, 3772338320 + 3772338321.

It is an arithmetic number, because the mean of its divisors is an integer number (3772338321).

Almost surely, 2^7544676641 is an apocalyptic number.

It is an amenable number.

7544676641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7544676641 is an equidigital number, since it uses as much as digits as its factorization.

7544676641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 50.

The square root of 7544676641 is about 86860.0980945797. The cubic root of 7544676641 is about 1961.3128647688.

The spelling of 7544676641 in words is "seven billion, five hundred forty-four million, six hundred seventy-six thousand, six hundred forty-one".