8445958969 has 16 divisors (see below), whose sum is σ = 9746036608. Its totient is φ = 7169565312.

The previous prime is 8445958949. The next prime is 8445958979. The reversal of 8445958969 is 9698595448.

It is not a de Polignac number, because 8445958969 - 2⁷ = 8445958841 is a prime.

It is a super-2 number, since 2×8445958969² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8445958949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324877 + ... + 349909.

It is an arithmetic number, because the mean of its divisors is an integer number (609127288).

Almost surely, 2^8445958969 is an apocalyptic number.

It is an amenable number.

8445958969 is a deficient number, since it is larger than the sum of its proper divisors (1300077639).

8445958969 is a wasteful number, since it uses less digits than its factorization.

8445958969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25504.

The product of its digits is 111974400, while the sum is 67.

The square root of 8445958969 is about 91901.8986147729. The cubic root of 8445958969 is about 2036.4933163141.

The spelling of 8445958969 in words is "eight billion, four hundred forty-five million, nine hundred fifty-eight thousand, nine hundred sixty-nine".