235378805043601 has 4 divisors (see below), whose sum is σ = 239237473978804. Its totient is φ = 231520136108400.

The previous prime is 235378805043581. The next prime is 235378805043617. The reversal of 235378805043601 is 106340508873532.

235378805043601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 15342060²+1.

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 7654075560000 + 227724729483601 = 2766600^2 + 15090551^2 .

It is a cyclic number.

It is not a de Polignac number, because 235378805043601 - 2²⁹ = 235378268172689 is a prime.

It is a super-2 number, since 2×235378805043601² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235378805043691) 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, 1929334467510 + ... + 1929334467631.

It is an arithmetic number, because the mean of its divisors is an integer number (59809368494701).

Almost surely, 2^{235378805043601} is an apocalyptic number.

It is an amenable number.

235378805043601 is a deficient number, since it is larger than the sum of its proper divisors (3858668935203).

235378805043601 is an equidigital number, since it uses as much as digits as its factorization.

235378805043601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858668935202.

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 235378805043601 in words is "two hundred thirty-five trillion, three hundred seventy-eight billion, eight hundred five million, forty-three thousand, six hundred one".