4404157489 has 2 divisors, whose sum is σ = 4404157490. Its totient is φ = 4404157488.

The previous prime is 4404157487. The next prime is 4404157501. The reversal of 4404157489 is 9847514044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4245825600 + 158331889 = 65160^2 + 12583^2 .

It is a cyclic number.

It is not a de Polignac number, because 4404157489 - 2¹ = 4404157487 is a prime.

Together with 4404157487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4404157487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202078744 + 2202078745.

It is an arithmetic number, because the mean of its divisors is an integer number (2202078745).

Almost surely, 2^4404157489 is an apocalyptic number.

It is an amenable number.

4404157489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4404157489 is an equidigital number, since it uses as much as digits as its factorization.

4404157489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 4404157489 is about 66363.8266603125. The cubic root of 4404157489 is about 1639.1584876974.

The spelling of 4404157489 in words is "four billion, four hundred four million, one hundred fifty-seven thousand, four hundred eighty-nine".