5435340989 has 12 divisors (see below), whose sum is σ = 5891079636. Its totient is φ = 5012572032.

The previous prime is 5435340961. The next prime is 5435341027. The reversal of 5435340989 is 9890435345.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2773812889 + 2661528100 = 52667^2 + 51590^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5435340989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5435342989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174377 + ... + 203169.

It is an arithmetic number, because the mean of its divisors is an integer number (490923303).

Almost surely, 2^5435340989 is an apocalyptic number.

It is an amenable number.

5435340989 is a deficient number, since it is larger than the sum of its proper divisors (455738647).

5435340989 is a wasteful number, since it uses less digits than its factorization.

5435340989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29936 (or 29923 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 50.

The square root of 5435340989 is about 73724.7650996597. The cubic root of 5435340989 is about 1758.2296451234.

The spelling of 5435340989 in words is "five billion, four hundred thirty-five million, three hundred forty thousand, nine hundred eighty-nine".