449719113321 has 27 divisors (see below), whose sum is σ = 679135347709. Its totient is φ = 286747898712.

The previous prime is 449719113281. The next prime is 449719113377. The reversal of 449719113321 is 123311917944.

The square root of 449719113321 is 670611.

It is a perfect power (a square), and thus also a powerful number.

449719113321 is a `hidden beast` number, since 4 + 497 + 1 + 9 + 1 + 133 + 21 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-449719113321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449789113321) 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 26 ways as a sum of consecutive naturals, for example, 46267300 + ... + 46277018.

Almost surely, 2^449719113321 is an apocalyptic number.

449719113321 is the 670611-st square number.

449719113321 is the 335306-th centered octagonal number.

It is an amenable number.

449719113321 is a deficient number, since it is larger than the sum of its proper divisors (229416234388).

449719113321 is an frugal number, since it uses more digits than its factorization.

449719113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19490 (or 9745 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The spelling of 449719113321 in words is "four hundred forty-nine billion, seven hundred nineteen million, one hundred thirteen thousand, three hundred twenty-one".