449148913379 has 2 divisors, whose sum is σ = 449148913380. Its totient is φ = 449148913378.

The previous prime is 449148913363. The next prime is 449148913403. The reversal of 449148913379 is 973319841944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449148913379 - 2⁴ = 449148913363 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (449148913319) 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, 224574456689 + 224574456690.

It is an arithmetic number, because the mean of its divisors is an integer number (224574456690).

Almost surely, 2^449148913379 is an apocalyptic number.

449148913379 is a deficient number, since it is larger than the sum of its proper divisors (1).

449148913379 is an equidigital number, since it uses as much as digits as its factorization.

449148913379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23514624, while the sum is 62.

The spelling of 449148913379 in words is "four hundred forty-nine billion, one hundred forty-eight million, nine hundred thirteen thousand, three hundred seventy-nine".