8641348691 has 2 divisors, whose sum is σ = 8641348692. Its totient is φ = 8641348690.

The previous prime is 8641348669. The next prime is 8641348697. The reversal of 8641348691 is 1968431468.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8641348691 - 2⁶ = 8641348627 is a prime.

It is not a weakly prime, because it can be changed into another prime (8641348697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4320674345 + 4320674346.

It is an arithmetic number, because the mean of its divisors is an integer number (4320674346).

Almost surely, 2^8641348691 is an apocalyptic number.

8641348691 is a deficient number, since it is larger than the sum of its proper divisors (1).

8641348691 is an equidigital number, since it uses as much as digits as its factorization.

8641348691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 50.

The square root of 8641348691 is about 92958.8548283594. The cubic root of 8641348691 is about 2052.0779003259.

The spelling of 8641348691 in words is "eight billion, six hundred forty-one million, three hundred forty-eight thousand, six hundred ninety-one".