244573421497 has 2 divisors, whose sum is σ = 244573421498. Its totient is φ = 244573421496.

The previous prime is 244573421489. The next prime is 244573421503. The reversal of 244573421497 is 794124375442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157054482601 + 87518938896 = 396301^2 + 295836^2 .

It is a cyclic number.

It is not a de Polignac number, because 244573421497 - 2³ = 244573421489 is a prime.

It is not a weakly prime, because it can be changed into another prime (244573401497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122286710748 + 122286710749.

It is an arithmetic number, because the mean of its divisors is an integer number (122286710749).

Almost surely, 2^244573421497 is an apocalyptic number.

It is an amenable number.

244573421497 is a deficient number, since it is larger than the sum of its proper divisors (1).

244573421497 is an equidigital number, since it uses as much as digits as its factorization.

244573421497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 52.

The spelling of 244573421497 in words is "two hundred forty-four billion, five hundred seventy-three million, four hundred twenty-one thousand, four hundred ninety-seven".