235785865093 has 4 divisors (see below), whose sum is σ = 236311001100. Its totient is φ = 235260729088.

The previous prime is 235785865069. The next prime is 235785865097. The reversal of 235785865093 is 390568587532.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 202083514369 + 33702350724 = 449537^2 + 183582^2 .

It is a cyclic number.

It is not a de Polignac number, because 235785865093 - 2¹⁷ = 235785734021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235785865097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262567330 + ... + 262568227.

It is an arithmetic number, because the mean of its divisors is an integer number (59077750275).

Almost surely, 2^235785865093 is an apocalyptic number.

It is an amenable number.

235785865093 is a deficient number, since it is larger than the sum of its proper divisors (525136007).

235785865093 is an equidigital number, since it uses as much as digits as its factorization.

235785865093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525136006.

The product of its (nonzero) digits is 54432000, while the sum is 61.

The spelling of 235785865093 in words is "two hundred thirty-five billion, seven hundred eighty-five million, eight hundred sixty-five thousand, ninety-three".