447145144619 has 2 divisors, whose sum is σ = 447145144620. Its totient is φ = 447145144618.

The previous prime is 447145144609. The next prime is 447145144637. The reversal of 447145144619 is 916441541744.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 447145144619 - 2¹⁶ = 447145079083 is a prime.

It is a super-2 number, since 2×447145144619² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (447145144609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223572572309 + 223572572310.

It is an arithmetic number, because the mean of its divisors is an integer number (223572572310).

Almost surely, 2^447145144619 is an apocalyptic number.

447145144619 is a deficient number, since it is larger than the sum of its proper divisors (1).

447145144619 is an equidigital number, since it uses as much as digits as its factorization.

447145144619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 50.

The spelling of 447145144619 in words is "four hundred forty-seven billion, one hundred forty-five million, one hundred forty-four thousand, six hundred nineteen".