8253729390 has 32 divisors (see below), whose sum is σ = 20851528320. Its totient is φ = 2085152544.

The previous prime is 8253729383. The next prime is 8253729391. The reversal of 8253729390 is 939273528.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8253729391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7239544 + ... + 7240683.

It is an arithmetic number, because the mean of its divisors is an integer number (651610260).

Almost surely, 2^8253729390 is an apocalyptic number.

8253729390 is an abundant number, since it is smaller than the sum of its proper divisors (12597798930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8253729390 is a wasteful number, since it uses less digits than its factorization.

8253729390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14480256.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 8253729390 is about 90850.0379196399. The cubic root of 8253729390 is about 2020.9244363657.

The spelling of 8253729390 in words is "eight billion, two hundred fifty-three million, seven hundred twenty-nine thousand, three hundred ninety".