8253472069 has 8 divisors (see below), whose sum is σ = 8743573080. Its totient is φ = 7763882496.

The previous prime is 8253472067. The next prime is 8253472093. The reversal of 8253472069 is 9602743528.

8253472069 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5124412225 + 3129059844 = 71585^2 + 55938^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8253472069 - 2¹ = 8253472067 is a prime.

It is a super-2 number, since 2×8253472069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8253472067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94374 + ... + 159415.

It is an arithmetic number, because the mean of its divisors is an integer number (1092946635).

Almost surely, 2^8253472069 is an apocalyptic number.

It is an amenable number.

8253472069 is a deficient number, since it is larger than the sum of its proper divisors (490101011).

8253472069 is a wasteful number, since it uses less digits than its factorization.

8253472069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255719.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 8253472069 is about 90848.6217231720. The cubic root of 8253472069 is about 2020.9034344777.

The spelling of 8253472069 in words is "eight billion, two hundred fifty-three million, four hundred seventy-two thousand, sixty-nine".