245375431935265 has 4 divisors (see below), whose sum is σ = 294450518322324. Its totient is φ = 196300345548208.

The previous prime is 245375431935223. The next prime is 245375431935281. The reversal of 245375431935265 is 562539134573542.

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 34074117988416 + 211301313946849 = 5837304^2 + 14536207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245375431935265 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245375431935197 and 245375431935206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24537543193522 + ... + 24537543193531.

It is an arithmetic number, because the mean of its divisors is an integer number (73612629580581).

Almost surely, 2^{245375431935265} is an apocalyptic number.

It is an amenable number.

245375431935265 is a deficient number, since it is larger than the sum of its proper divisors (49075086387059).

245375431935265 is an equidigital number, since it uses as much as digits as its factorization.

245375431935265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49075086387058.

The product of its digits is 408240000, while the sum is 64.

The spelling of 245375431935265 in words is "two hundred forty-five trillion, three hundred seventy-five billion, four hundred thirty-one million, nine hundred thirty-five thousand, two hundred sixty-five".