42360642504497 has 2 divisors, whose sum is σ = 42360642504498. Its totient is φ = 42360642504496.

The previous prime is 42360642504469. The next prime is 42360642504559. The reversal of 42360642504497 is 79440524606324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31437148189456 + 10923494315041 = 5606884^2 + 3305071^2 .

It is a cyclic number.

It is not a de Polignac number, because 42360642504497 - 2³² = 42356347537201 is a prime.

It is not a weakly prime, because it can be changed into another prime (42360642501497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21180321252248 + 21180321252249.

It is an arithmetic number, because the mean of its divisors is an integer number (21180321252249).

Almost surely, 2^{42360642504497} is an apocalyptic number.

It is an amenable number.

42360642504497 is a deficient number, since it is larger than the sum of its proper divisors (1).

42360642504497 is an equidigital number, since it uses as much as digits as its factorization.

42360642504497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34836480, while the sum is 56.

The spelling of 42360642504497 in words is "forty-two trillion, three hundred sixty billion, six hundred forty-two million, five hundred four thousand, four hundred ninety-seven".