245324421443089 has 2 divisors, whose sum is σ = 245324421443090. Its totient is φ = 245324421443088.

The previous prime is 245324421443051. The next prime is 245324421443161. The reversal of 245324421443089 is 980344124423542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220730211288064 + 24594210155025 = 14856992^2 + 4959255^2 .

It is a cyclic number.

It is not a de Polignac number, because 245324421443089 - 2²⁷ = 245324287225361 is a prime.

It is not a weakly prime, because it can be changed into another prime (245324421443039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122662210721544 + 122662210721545.

It is an arithmetic number, because the mean of its divisors is an integer number (122662210721545).

Almost surely, 2^{245324421443089} is an apocalyptic number.

It is an amenable number.

245324421443089 is a deficient number, since it is larger than the sum of its proper divisors (1).

245324421443089 is an equidigital number, since it uses as much as digits as its factorization.

245324421443089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26542080, while the sum is 55.

The spelling of 245324421443089 in words is "two hundred forty-five trillion, three hundred twenty-four billion, four hundred twenty-one million, four hundred forty-three thousand, eighty-nine".