8398522651 has 2 divisors, whose sum is σ = 8398522652. Its totient is φ = 8398522650.

The previous prime is 8398522591. The next prime is 8398522673. The reversal of 8398522651 is 1562258938.

It is a happy number.

8398522651 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 is a cyclic number.

It is not a de Polignac number, because 8398522651 - 2⁷ = 8398522523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8398522595 and 8398522604.

It is not a weakly prime, because it can be changed into another prime (8398522681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4199261325 + 4199261326.

It is an arithmetic number, because the mean of its divisors is an integer number (4199261326).

Almost surely, 2^8398522651 is an apocalyptic number.

8398522651 is a deficient number, since it is larger than the sum of its proper divisors (1).

8398522651 is an equidigital number, since it uses as much as digits as its factorization.

8398522651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 49.

The square root of 8398522651 is about 91643.4539451673. The cubic root of 8398522651 is about 2032.6735342504.

The spelling of 8398522651 in words is "eight billion, three hundred ninety-eight million, five hundred twenty-two thousand, six hundred fifty-one".