449328652789 has 8 divisors (see below), whose sum is σ = 450737892000. Its totient is φ = 447921619152.

The previous prime is 449328652781. The next prime is 449328652793. The reversal of 449328652789 is 987256823944.

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 449328652789 - 2³ = 449328652781 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 (449328652781) 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, 142834 + ... + 958675.

It is an arithmetic number, because the mean of its divisors is an integer number (56342236500).

Almost surely, 2^449328652789 is an apocalyptic number.

It is an amenable number.

449328652789 is a deficient number, since it is larger than the sum of its proper divisors (1409239211).

449328652789 is a wasteful number, since it uses less digits than its factorization.

449328652789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102787.

The product of its digits is 209018880, while the sum is 67.

The spelling of 449328652789 in words is "four hundred forty-nine billion, three hundred twenty-eight million, six hundred fifty-two thousand, seven hundred eighty-nine".