8269612989 has 24 divisors (see below), whose sum is σ = 12124748160. Its totient is φ = 5009780160.

The previous prime is 8269612969. The next prime is 8269613017. The reversal of 8269612989 is 9892169628.

8269612989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8269612989 - 2¹⁶ = 8269547453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8269612969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1597884 + ... + 1603050.

It is an arithmetic number, because the mean of its divisors is an integer number (505197840).

Almost surely, 2^8269612989 is an apocalyptic number.

It is an amenable number.

8269612989 is a deficient number, since it is larger than the sum of its proper divisors (3855135171).

8269612989 is a wasteful number, since it uses less digits than its factorization.

8269612989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9601 (or 9590 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 60.

The square root of 8269612989 is about 90937.4124824321. The cubic root of 8269612989 is about 2022.2199713041.

The spelling of 8269612989 in words is "eight billion, two hundred sixty-nine million, six hundred twelve thousand, nine hundred eighty-nine".