8205725949 has 8 divisors (see below), whose sum is σ = 11236669920. Its totient is φ = 5322632976.

The previous prime is 8205725881. The next prime is 8205725953. The reversal of 8205725949 is 9495275028.

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

It is not a de Polignac number, because 8205725949 - 2⁷ = 8205725821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8205725989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36962619 + ... + 36962840.

It is an arithmetic number, because the mean of its divisors is an integer number (1404583740).

Almost surely, 2^8205725949 is an apocalyptic number.

It is an amenable number.

8205725949 is a deficient number, since it is larger than the sum of its proper divisors (3030943971).

8205725949 is a wasteful number, since it uses less digits than its factorization.

8205725949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73925499.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 8205725949 is about 90585.4621283128. The cubic root of 8205725949 is about 2016.9989378002.

The spelling of 8205725949 in words is "eight billion, two hundred five million, seven hundred twenty-five thousand, nine hundred forty-nine".