5235509624809 has 2 divisors, whose sum is σ = 5235509624810. Its totient is φ = 5235509624808.

The previous prime is 5235509624771. The next prime is 5235509624897. The reversal of 5235509624809 is 9084269055325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4709021520784 + 526488104025 = 2170028^2 + 725595^2 .

It is a cyclic number.

It is not a de Polignac number, because 5235509624809 - 2²⁷ = 5235375407081 is a prime.

It is a super-2 number, since 2×5235509624809² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5235509624209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2617754812404 + 2617754812405.

It is an arithmetic number, because the mean of its divisors is an integer number (2617754812405).

Almost surely, 2^{5235509624809} is an apocalyptic number.

It is an amenable number.

5235509624809 is a deficient number, since it is larger than the sum of its proper divisors (1).

5235509624809 is an equidigital number, since it uses as much as digits as its factorization.

5235509624809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328000, while the sum is 58.

The spelling of 5235509624809 in words is "five trillion, two hundred thirty-five billion, five hundred nine million, six hundred twenty-four thousand, eight hundred nine".