244545202545473 has 2 divisors, whose sum is σ = 244545202545474. Its totient is φ = 244545202545472.

The previous prime is 244545202545377. The next prime is 244545202545481. The reversal of 244545202545473 is 374545202545442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216953221166224 + 27591981379249 = 14729332^2 + 5252807^2 .

It is a cyclic number.

It is not a de Polignac number, because 244545202545473 - 2⁴² = 240147156034369 is a prime.

It is not a weakly prime, because it can be changed into another prime (244545202545493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122272601272736 + 122272601272737.

It is an arithmetic number, because the mean of its divisors is an integer number (122272601272737).

Almost surely, 2^{244545202545473} is an apocalyptic number.

It is an amenable number.

244545202545473 is a deficient number, since it is larger than the sum of its proper divisors (1).

244545202545473 is an equidigital number, since it uses as much as digits as its factorization.

244545202545473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520000, while the sum is 56.

The spelling of 244545202545473 in words is "two hundred forty-four trillion, five hundred forty-five billion, two hundred two million, five hundred forty-five thousand, four hundred seventy-three".