42240482897 has 2 divisors, whose sum is σ = 42240482898. Its totient is φ = 42240482896.

The previous prime is 42240482857. The next prime is 42240482917. The reversal of 42240482897 is 79828404224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21847500481 + 20392982416 = 147809^2 + 142804^2 .

It is a cyclic number.

It is not a de Polignac number, because 42240482897 - 2¹² = 42240478801 is a prime.

It is not a weakly prime, because it can be changed into another prime (42240482807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21120241448 + 21120241449.

It is an arithmetic number, because the mean of its divisors is an integer number (21120241449).

Almost surely, 2^42240482897 is an apocalyptic number.

It is an amenable number.

42240482897 is a deficient number, since it is larger than the sum of its proper divisors (1).

42240482897 is an equidigital number, since it uses as much as digits as its factorization.

42240482897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 42240482897 in words is "forty-two billion, two hundred forty million, four hundred eighty-two thousand, eight hundred ninety-seven".