4089489851 has 2 divisors, whose sum is σ = 4089489852. Its totient is φ = 4089489850.

The previous prime is 4089489823. The next prime is 4089489853. The reversal of 4089489851 is 1589849804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4089489851 - 2¹⁰ = 4089488827 is a prime.

It is a Sophie Germain prime.

Together with 4089489853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4089489853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2044744925 + 2044744926.

It is an arithmetic number, because the mean of its divisors is an integer number (2044744926).

Almost surely, 2^4089489851 is an apocalyptic number.

4089489851 is a deficient number, since it is larger than the sum of its proper divisors (1).

4089489851 is an equidigital number, since it uses as much as digits as its factorization.

4089489851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 56.

The square root of 4089489851 is about 63949.1192355297. The cubic root of 4089489851 is about 1599.1518748557.

The spelling of 4089489851 in words is "four billion, eighty-nine million, four hundred eighty-nine thousand, eight hundred fifty-one".