449197669147 has 2 divisors, whose sum is σ = 449197669148. Its totient is φ = 449197669146.

The previous prime is 449197669139. The next prime is 449197669177. The reversal of 449197669147 is 741966791944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449197669147 - 2³ = 449197669139 is a prime.

It is not a weakly prime, because it can be changed into another prime (449197669177) 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 as a sum of consecutive naturals, namely, 224598834573 + 224598834574.

It is an arithmetic number, because the mean of its divisors is an integer number (224598834574).

Almost surely, 2^449197669147 is an apocalyptic number.

449197669147 is a deficient number, since it is larger than the sum of its proper divisors (1).

449197669147 is an equidigital number, since it uses as much as digits as its factorization.

449197669147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82301184, while the sum is 67.

The spelling of 449197669147 in words is "four hundred forty-nine billion, one hundred ninety-seven million, six hundred sixty-nine thousand, one hundred forty-seven".