4004635489 has 2 divisors, whose sum is σ = 4004635490. Its totient is φ = 4004635488.

The previous prime is 4004635457. The next prime is 4004635511. The reversal of 4004635489 is 9845364004.

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., 3671390464 + 333245025 = 60592^2 + 18255^2 .

It is a cyclic number.

It is not a de Polignac number, because 4004635489 - 2⁵ = 4004635457 is a prime.

It is not a weakly prime, because it can be changed into another prime (4004635429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002317744 + 2002317745.

It is an arithmetic number, because the mean of its divisors is an integer number (2002317745).

Almost surely, 2^4004635489 is an apocalyptic number.

It is an amenable number.

4004635489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4004635489 is an equidigital number, since it uses as much as digits as its factorization.

4004635489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 4004635489 is about 63282.1893505590. The cubic root of 4004635489 is about 1588.0140135907.

The spelling of 4004635489 in words is "four billion, four million, six hundred thirty-five thousand, four hundred eighty-nine".