454447049939 has 2 divisors, whose sum is σ = 454447049940. Its totient is φ = 454447049938.

The previous prime is 454447049909. The next prime is 454447049989. The reversal of 454447049939 is 939940744454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454447049939 - 2³² = 450152082643 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (454447049909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227223524969 + 227223524970.

It is an arithmetic number, because the mean of its divisors is an integer number (227223524970).

Almost surely, 2^454447049939 is an apocalyptic number.

454447049939 is a deficient number, since it is larger than the sum of its proper divisors (1).

454447049939 is an equidigital number, since it uses as much as digits as its factorization.

454447049939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78382080, while the sum is 62.

The spelling of 454447049939 in words is "four hundred fifty-four billion, four hundred forty-seven million, forty-nine thousand, nine hundred thirty-nine".