235992681413 has 4 divisors (see below), whose sum is σ = 236166079308. Its totient is φ = 235819283520.

The previous prime is 235992681391. The next prime is 235992681437. The reversal of 235992681413 is 314186299532.

It is a happy number.

235992681413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63321683044 + 172670998369 = 251638^2 + 415537^2 .

It is a cyclic number.

It is not a de Polignac number, because 235992681413 - 2¹⁰ = 235992680389 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 (235992681473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86696906 + ... + 86699627.

It is an arithmetic number, because the mean of its divisors is an integer number (59041519827).

Almost surely, 2^235992681413 is an apocalyptic number.

It is an amenable number.

235992681413 is a deficient number, since it is larger than the sum of its proper divisors (173397895).

235992681413 is a wasteful number, since it uses less digits than its factorization.

235992681413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173397894.

The product of its digits is 2799360, while the sum is 53.

The spelling of 235992681413 in words is "two hundred thirty-five billion, nine hundred ninety-two million, six hundred eighty-one thousand, four hundred thirteen".