8626455749 has 2 divisors, whose sum is σ = 8626455750. Its totient is φ = 8626455748.

The previous prime is 8626455737. The next prime is 8626455751. The reversal of 8626455749 is 9475546268.

8626455749 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., 4808451649 + 3818004100 = 69343^2 + 61790^2 .

It is a cyclic number.

It is not a de Polignac number, because 8626455749 - 2¹² = 8626451653 is a prime.

Together with 8626455751, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8626455694 and 8626455703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8626455709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4313227874 + 4313227875.

It is an arithmetic number, because the mean of its divisors is an integer number (4313227875).

Almost surely, 2^8626455749 is an apocalyptic number.

It is an amenable number.

8626455749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8626455749 is an equidigital number, since it uses as much as digits as its factorization.

8626455749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14515200, while the sum is 56.

The square root of 8626455749 is about 92878.7152635091. The cubic root of 8626455749 is about 2050.8983371141.

The spelling of 8626455749 in words is "eight billion, six hundred twenty-six million, four hundred fifty-five thousand, seven hundred forty-nine".