245730376326205 has 4 divisors (see below), whose sum is σ = 294876451591452. Its totient is φ = 196584301060960.

The previous prime is 245730376326119. The next prime is 245730376326217. The reversal of 245730376326205 is 502623673037542.

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 69851801192121 + 175878575134084 = 8357739^2 + 13261922^2 .

It is not a de Polignac number, because 245730376326205 - 2²⁹ = 245729839455293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24573037632616 + ... + 24573037632625.

It is an arithmetic number, because the mean of its divisors is an integer number (73719112897863).

Almost surely, 2^{245730376326205} is an apocalyptic number.

It is an amenable number.

245730376326205 is a deficient number, since it is larger than the sum of its proper divisors (49146075265247).

245730376326205 is an equidigital number, since it uses as much as digits as its factorization.

245730376326205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49146075265246.

The product of its (nonzero) digits is 38102400, while the sum is 55.

The spelling of 245730376326205 in words is "two hundred forty-five trillion, seven hundred thirty billion, three hundred seventy-six million, three hundred twenty-six thousand, two hundred five".