42325503617 has 2 divisors, whose sum is σ = 42325503618. Its totient is φ = 42325503616.

The previous prime is 42325503611. The next prime is 42325503659. The reversal of 42325503617 is 71630552324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35510010481 + 6815493136 = 188441^2 + 82556^2 .

It is a cyclic number.

It is not a de Polignac number, because 42325503617 - 2⁸ = 42325503361 is a prime.

It is not a weakly prime, because it can be changed into another prime (42325503611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21162751808 + 21162751809.

It is an arithmetic number, because the mean of its divisors is an integer number (21162751809).

Almost surely, 2^42325503617 is an apocalyptic number.

It is an amenable number.

42325503617 is a deficient number, since it is larger than the sum of its proper divisors (1).

42325503617 is an equidigital number, since it uses as much as digits as its factorization.

42325503617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 42325503617 in words is "forty-two billion, three hundred twenty-five million, five hundred three thousand, six hundred seventeen".