449189525126 has 8 divisors (see below), whose sum is σ = 709246618680. Its totient is φ = 212773985568.

The previous prime is 449189525089. The next prime is 449189525137. The reversal of 449189525126 is 621525981944.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5910388451 + ... + 5910388526.

It is an arithmetic number, because the mean of its divisors is an integer number (88655827335).

Almost surely, 2^449189525126 is an apocalyptic number.

449189525126 is a deficient number, since it is larger than the sum of its proper divisors (260057093554).

449189525126 is a wasteful number, since it uses less digits than its factorization.

449189525126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820776998.

The product of its digits is 6220800, while the sum is 56.

The spelling of 449189525126 in words is "four hundred forty-nine billion, one hundred eighty-nine million, five hundred twenty-five thousand, one hundred twenty-six".