4458904981 has 2 divisors, whose sum is σ = 4458904982. Its totient is φ = 4458904980.

The previous prime is 4458904979. The next prime is 4458905023. The reversal of 4458904981 is 1894098544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4458900625 + 4356 = 66775^2 + 66^2 .

It is a cyclic number.

It is not a de Polignac number, because 4458904981 - 2¹ = 4458904979 is a prime.

It is a super-2 number, since 2×4458904981² = 39763667259173220722, which contains 22 as substring.

Together with 4458904979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4458904921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2229452490 + 2229452491.

It is an arithmetic number, because the mean of its divisors is an integer number (2229452491).

Almost surely, 2^4458904981 is an apocalyptic number.

It is an amenable number.

4458904981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4458904981 is an equidigital number, since it uses as much as digits as its factorization.

4458904981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The square root of 4458904981 is about 66775.0326169894. The cubic root of 4458904981 is about 1645.9225899834.

The spelling of 4458904981 in words is "four billion, four hundred fifty-eight million, nine hundred four thousand, nine hundred eighty-one".