4489667448191 has 2 divisors, whose sum is σ = 4489667448192. Its totient is φ = 4489667448190.

The previous prime is 4489667448113. The next prime is 4489667448197. The reversal of 4489667448191 is 1918447669844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4489667448191 - 2¹⁸ = 4489667186047 is a prime.

It is a super-2 number, since 2×4489667448191² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4489667448197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2244833724095 + 2244833724096.

It is an arithmetic number, because the mean of its divisors is an integer number (2244833724096).

Almost surely, 2^{4489667448191} is an apocalyptic number.

4489667448191 is a deficient number, since it is larger than the sum of its proper divisors (1).

4489667448191 is an equidigital number, since it uses as much as digits as its factorization.

4489667448191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 334430208, while the sum is 71.

The spelling of 4489667448191 in words is "four trillion, four hundred eighty-nine billion, six hundred sixty-seven million, four hundred forty-eight thousand, one hundred ninety-one".