6434503049 has 4 divisors (see below), whose sum is σ = 6929464836. Its totient is φ = 5939541264.

The previous prime is 6434503037. The next prime is 6434503057. The reversal of 6434503049 is 9403054346.

It is a happy number.

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 1431487225 + 5003015824 = 37835^2 + 70732^2 .

It is a cyclic number.

It is not a de Polignac number, because 6434503049 - 2¹² = 6434498953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6434503099) 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, 247480874 + ... + 247480899.

It is an arithmetic number, because the mean of its divisors is an integer number (1732366209).

Almost surely, 2^6434503049 is an apocalyptic number.

It is an amenable number.

6434503049 is a deficient number, since it is larger than the sum of its proper divisors (494961787).

6434503049 is a wasteful number, since it uses less digits than its factorization.

6434503049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494961786.

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 6434503049 is about 80215.3541973106. The cubic root of 6434503049 is about 1859.9659924603.

The spelling of 6434503049 in words is "six billion, four hundred thirty-four million, five hundred three thousand, forty-nine".