8849145729 has 8 divisors (see below), whose sum is σ = 11831728320. Its totient is φ = 5882996816.

The previous prime is 8849145691. The next prime is 8849145733. The reversal of 8849145729 is 9275419488.

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 8849145729 - 2³¹ = 6701662081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8849145829) 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, 4107162 + ... + 4109315.

It is an arithmetic number, because the mean of its divisors is an integer number (1478966040).

Almost surely, 2^8849145729 is an apocalyptic number.

It is an amenable number.

8849145729 is a deficient number, since it is larger than the sum of its proper divisors (2982582591).

8849145729 is a wasteful number, since it uses less digits than its factorization.

8849145729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8216839.

The product of its digits is 5806080, while the sum is 57.

The square root of 8849145729 is about 94069.8981024217. The cubic root of 8849145729 is about 2068.3964436956.

The spelling of 8849145729 in words is "eight billion, eight hundred forty-nine million, one hundred forty-five thousand, seven hundred twenty-nine".