4449889967 has 2 divisors, whose sum is σ = 4449889968. Its totient is φ = 4449889966.

The previous prime is 4449889957. The next prime is 4449889991. The reversal of 4449889967 is 7699889444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4449889967 - 2⁶ = 4449889903 is a prime.

It is a super-2 number, since 2×4449889967² = 39603041436814522178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4449889897 and 4449889906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4449889957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2224944983 + 2224944984.

It is an arithmetic number, because the mean of its divisors is an integer number (2224944984).

Almost surely, 2^4449889967 is an apocalyptic number.

4449889967 is a deficient number, since it is larger than the sum of its proper divisors (1).

4449889967 is an equidigital number, since it uses as much as digits as its factorization.

4449889967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125411328, while the sum is 68.

The square root of 4449889967 is about 66707.4955833301. The cubic root of 4449889967 is about 1644.8125995011.

The spelling of 4449889967 in words is "four billion, four hundred forty-nine million, eight hundred eighty-nine thousand, nine hundred sixty-seven".