8464745969 has 2 divisors, whose sum is σ = 8464745970. Its totient is φ = 8464745968.

The previous prime is 8464745963. The next prime is 8464745977. The reversal of 8464745969 is 9695474648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8459400625 + 5345344 = 91975^2 + 2312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8464745969 is a prime.

It is a super-2 number, since 2×8464745969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8464745963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4232372984 + 4232372985.

It is an arithmetic number, because the mean of its divisors is an integer number (4232372985).

Almost surely, 2^8464745969 is an apocalyptic number.

It is an amenable number.

8464745969 is a deficient number, since it is larger than the sum of its proper divisors (1).

8464745969 is an equidigital number, since it uses as much as digits as its factorization.

8464745969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 62.

The square root of 8464745969 is about 92004.0540900237. The cubic root of 8464745969 is about 2038.0021746588.

The spelling of 8464745969 in words is "eight billion, four hundred sixty-four million, seven hundred forty-five thousand, nine hundred sixty-nine".