235444932561 has 4 divisors (see below), whose sum is σ = 313926576752. Its totient is φ = 156963288372.

The previous prime is 235444932551. The next prime is 235444932587. The reversal of 235444932561 is 165239444532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 235444932561 - 2⁷ = 235444932433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 235444932561.

It is not an unprimeable number, because it can be changed into a prime (235444932551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39240822091 + ... + 39240822096.

It is an arithmetic number, because the mean of its divisors is an integer number (78481644188).

Almost surely, 2^235444932561 is an apocalyptic number.

It is an amenable number.

235444932561 is a deficient number, since it is larger than the sum of its proper divisors (78481644191).

235444932561 is an equidigital number, since it uses as much as digits as its factorization.

235444932561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78481644190.

The product of its digits is 3110400, while the sum is 48.

The spelling of 235444932561 in words is "two hundred thirty-five billion, four hundred forty-four million, nine hundred thirty-two thousand, five hundred sixty-one".