4467518449 has 2 divisors, whose sum is σ = 4467518450. Its totient is φ = 4467518448.

The previous prime is 4467518441. The next prime is 4467518479. The reversal of 4467518449 is 9448157644.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4444622224 + 22896225 = 66668^2 + 4785^2 .

It is a cyclic number.

It is not a de Polignac number, because 4467518449 - 2³ = 4467518441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4467518396 and 4467518405.

It is not a weakly prime, because it can be changed into another prime (4467518441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2233759224 + 2233759225.

It is an arithmetic number, because the mean of its divisors is an integer number (2233759225).

Almost surely, 2^4467518449 is an apocalyptic number.

It is an amenable number.

4467518449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4467518449 is an equidigital number, since it uses as much as digits as its factorization.

4467518449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 52.

The square root of 4467518449 is about 66839.4976716612. The cubic root of 4467518449 is about 1646.9817425896.

The spelling of 4467518449 in words is "four billion, four hundred sixty-seven million, five hundred eighteen thousand, four hundred forty-nine".