42405005527 has 2 divisors, whose sum is σ = 42405005528. Its totient is φ = 42405005526.

The previous prime is 42405005521. The next prime is 42405005557. The reversal of 42405005527 is 72550050424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42405005527 - 2³ = 42405005519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42405005492 and 42405005501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42405005521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21202502763 + 21202502764.

It is an arithmetic number, because the mean of its divisors is an integer number (21202502764).

Almost surely, 2^42405005527 is an apocalyptic number.

42405005527 is a deficient number, since it is larger than the sum of its proper divisors (1).

42405005527 is an equidigital number, since it uses as much as digits as its factorization.

42405005527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 34.

The spelling of 42405005527 in words is "forty-two billion, four hundred five million, five thousand, five hundred twenty-seven".