235351540073 has 16 divisors (see below), whose sum is σ = 254623622736. Its totient is φ = 216247898880.

The previous prime is 235351540037. The next prime is 235351540093. The reversal of 235351540073 is 370045153532.

It can be written as a sum of positive squares in 8 ways, for example, as 638421289 + 234713118784 = 25267^2 + 484472^2 .

It is not a de Polignac number, because 235351540073 - 2¹⁸ = 235351277929 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (235351540093) 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 in 15 ways as a sum of consecutive naturals, for example, 3644615 + ... + 3708627.

It is an arithmetic number, because the mean of its divisors is an integer number (15913976421).

Almost surely, 2^235351540073 is an apocalyptic number.

It is an amenable number.

235351540073 is a deficient number, since it is larger than the sum of its proper divisors (19272082663).

235351540073 is a wasteful number, since it uses less digits than its factorization.

235351540073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65324.

The product of its (nonzero) digits is 189000, while the sum is 38.

The spelling of 235351540073 in words is "two hundred thirty-five billion, three hundred fifty-one million, five hundred forty thousand, seventy-three".