8228969073 has 12 divisors (see below), whose sum is σ = 12800618740. Its totient is φ = 5063980896.

The previous prime is 8228969069. The next prime is 8228969137. The reversal of 8228969073 is 3709698228.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 794563344 + 7434405729 = 28188^2 + 86223^2 .

It is not a de Polignac number, because 8228969073 - 2² = 8228969069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8228969033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35166418 + ... + 35166651.

Almost surely, 2^8228969073 is an apocalyptic number.

It is an amenable number.

8228969073 is a deficient number, since it is larger than the sum of its proper divisors (4571649667).

8228969073 is a wasteful number, since it uses less digits than its factorization.

8228969073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70333088 (or 70333085 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 8228969073 is about 90713.6653046276. The cubic root of 8228969073 is about 2018.9015588744.

The spelling of 8228969073 in words is "eight billion, two hundred twenty-eight million, nine hundred sixty-nine thousand, seventy-three".