3505442989 has 2 divisors, whose sum is σ = 3505442990. Its totient is φ = 3505442988.

The previous prime is 3505442977. The next prime is 3505443047. The reversal of 3505442989 is 9892445053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3281342089 + 224100900 = 57283^2 + 14970^2 .

It is an emirp because it is prime and its reverse (9892445053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3505442989 - 2⁵ = 3505442957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3505440989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1752721494 + 1752721495.

It is an arithmetic number, because the mean of its divisors is an integer number (1752721495).

Almost surely, 2^3505442989 is an apocalyptic number.

It is an amenable number.

3505442989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3505442989 is an equidigital number, since it uses as much as digits as its factorization.

3505442989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The square root of 3505442989 is about 59206.7816132578. The cubic root of 3505442989 is about 1519.0811316483.

The spelling of 3505442989 in words is "three billion, five hundred five million, four hundred forty-two thousand, nine hundred eighty-nine".