245341328509201 has 2 divisors, whose sum is σ = 245341328509202. Its totient is φ = 245341328509200.

The previous prime is 245341328509183. The next prime is 245341328509297. The reversal of 245341328509201 is 102905823143542.

245341328509201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214427728509201 + 30913600000000 = 14643351^2 + 5560000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245341328509201 is a prime.

It is not a weakly prime, because it can be changed into another prime (245341328509601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122670664254600 + 122670664254601.

It is an arithmetic number, because the mean of its divisors is an integer number (122670664254601).

Almost surely, 2^{245341328509201} is an apocalyptic number.

It is an amenable number.

245341328509201 is a deficient number, since it is larger than the sum of its proper divisors (1).

245341328509201 is an equidigital number, since it uses as much as digits as its factorization.

245341328509201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 245341328509201 in words is "two hundred forty-five trillion, three hundred forty-one billion, three hundred twenty-eight million, five hundred nine thousand, two hundred one".