8049405829 has 4 divisors (see below), whose sum is σ = 8060039884. Its totient is φ = 8038771776.

The previous prime is 8049405817. The next prime is 8049405839. The reversal of 8049405829 is 9285049408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6308012929 + 1741392900 = 79423^2 + 41730^2 .

It is a cyclic number.

It is not a de Polignac number, because 8049405829 - 2⁵ = 8049405797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8049405839) 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 3 ways as a sum of consecutive naturals, for example, 5315892 + ... + 5317405.

It is an arithmetic number, because the mean of its divisors is an integer number (2015009971).

Almost surely, 2^8049405829 is an apocalyptic number.

It is an amenable number.

8049405829 is a deficient number, since it is larger than the sum of its proper divisors (10634055).

8049405829 is a wasteful number, since it uses less digits than its factorization.

8049405829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10634054.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 8049405829 is about 89718.4809780014. The cubic root of 8049405829 is about 2004.1087059045.

The spelling of 8049405829 in words is "eight billion, forty-nine million, four hundred five thousand, eight hundred twenty-nine".