4449514801819 has 2 divisors, whose sum is σ = 4449514801820. Its totient is φ = 4449514801818.

The previous prime is 4449514801813. The next prime is 4449514801841. The reversal of 4449514801819 is 9181084159444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4449514801819 - 2¹⁹ = 4449514277531 is a prime.

It is a super-2 number, since 2×4449514801819² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4449514801813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2224757400909 + 2224757400910.

It is an arithmetic number, because the mean of its divisors is an integer number (2224757400910).

Almost surely, 2^{4449514801819} is an apocalyptic number.

4449514801819 is a deficient number, since it is larger than the sum of its proper divisors (1).

4449514801819 is an equidigital number, since it uses as much as digits as its factorization.

4449514801819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6635520, while the sum is 58.

The spelling of 4449514801819 in words is "four trillion, four hundred forty-nine billion, five hundred fourteen million, eight hundred one thousand, eight hundred nineteen".