5435261609 has 2 divisors, whose sum is σ = 5435261610. Its totient is φ = 5435261608.

The previous prime is 5435261603. The next prime is 5435261621. The reversal of 5435261609 is 9061625345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3331021225 + 2104240384 = 57715^2 + 45872^2 .

It is a cyclic number.

It is not a de Polignac number, because 5435261609 - 2¹⁶ = 5435196073 is a prime.

It is not a weakly prime, because it can be changed into another prime (5435261603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2717630804 + 2717630805.

It is an arithmetic number, because the mean of its divisors is an integer number (2717630805).

Almost surely, 2^5435261609 is an apocalyptic number.

It is an amenable number.

5435261609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5435261609 is an equidigital number, since it uses as much as digits as its factorization.

5435261609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 5435261609 is about 73724.2267439951. The cubic root of 5435261609 is about 1758.2210857740.

The spelling of 5435261609 in words is "five billion, four hundred thirty-five million, two hundred sixty-one thousand, six hundred nine".