4435426889 has 2 divisors, whose sum is σ = 4435426890. Its totient is φ = 4435426888.

The previous prime is 4435426777. The next prime is 4435426903. The reversal of 4435426889 is 9886245344.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2333662864 + 2101764025 = 48308^2 + 45845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4435426889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4435426889.

It is not a weakly prime, because it can be changed into another prime (4435486889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2217713444 + 2217713445.

It is an arithmetic number, because the mean of its divisors is an integer number (2217713445).

Almost surely, 2^4435426889 is an apocalyptic number.

It is an amenable number.

4435426889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4435426889 is an equidigital number, since it uses as much as digits as its factorization.

4435426889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6635520, while the sum is 53.

The square root of 4435426889 is about 66599.0006606706. Note that the first 3 decimals coincide. The cubic root of 4435426889 is about 1643.0286697950.

The spelling of 4435426889 in words is "four billion, four hundred thirty-five million, four hundred twenty-six thousand, eight hundred eighty-nine".