235035165509 has 2 divisors, whose sum is σ = 235035165510. Its totient is φ = 235035165508.

The previous prime is 235035165493. The next prime is 235035165551. The reversal of 235035165509 is 905561530532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197449588609 + 37585576900 = 444353^2 + 193870^2 .

It is a cyclic number.

It is not a de Polignac number, because 235035165509 - 2⁴ = 235035165493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235035165509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235035165109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117517582754 + 117517582755.

It is an arithmetic number, because the mean of its divisors is an integer number (117517582755).

Almost surely, 2^235035165509 is an apocalyptic number.

It is an amenable number.

235035165509 is a deficient number, since it is larger than the sum of its proper divisors (1).

235035165509 is an equidigital number, since it uses as much as digits as its factorization.

235035165509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 607500, while the sum is 44.

The spelling of 235035165509 in words is "two hundred thirty-five billion, thirty-five million, one hundred sixty-five thousand, five hundred nine".