8469969491 has 2 divisors, whose sum is σ = 8469969492. Its totient is φ = 8469969490.

The previous prime is 8469969413. The next prime is 8469969569. The reversal of 8469969491 is 1949699648.

It is a balanced prime because it is at equal distance from previous prime (8469969413) and next prime (8469969569).

It is a cyclic number.

It is not a de Polignac number, because 8469969491 - 2¹⁰ = 8469968467 is a prime.

It is not a weakly prime, because it can be changed into another prime (8469969401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4234984745 + 4234984746.

It is an arithmetic number, because the mean of its divisors is an integer number (4234984746).

Almost surely, 2^8469969491 is an apocalyptic number.

8469969491 is a deficient number, since it is larger than the sum of its proper divisors (1).

8469969491 is an equidigital number, since it uses as much as digits as its factorization.

8469969491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30233088, while the sum is 65.

The square root of 8469969491 is about 92032.4371675552. The cubic root of 8469969491 is about 2038.4212996677.

The spelling of 8469969491 in words is "eight billion, four hundred sixty-nine million, nine hundred sixty-nine thousand, four hundred ninety-one".