8615628813641 has 2 divisors, whose sum is σ = 8615628813642. Its totient is φ = 8615628813640.

The previous prime is 8615628813619. The next prime is 8615628813643. The reversal of 8615628813641 is 1463188265168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5546948198416 + 3068680615225 = 2355196^2 + 1751765^2 .

It is a cyclic number.

It is not a de Polignac number, because 8615628813641 - 2¹⁴ = 8615628797257 is a prime.

Together with 8615628813643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8615628813643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4307814406820 + 4307814406821.

It is an arithmetic number, because the mean of its divisors is an integer number (4307814406821).

Almost surely, 2^{8615628813641} is an apocalyptic number.

It is an amenable number.

8615628813641 is a deficient number, since it is larger than the sum of its proper divisors (1).

8615628813641 is an equidigital number, since it uses as much as digits as its factorization.

8615628813641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13271040, while the sum is 59.

The spelling of 8615628813641 in words is "eight trillion, six hundred fifteen billion, six hundred twenty-eight million, eight hundred thirteen thousand, six hundred forty-one".