42005050517 has 2 divisors, whose sum is σ = 42005050518. Its totient is φ = 42005050516.

The previous prime is 42005050501. The next prime is 42005050547. The reversal of 42005050517 is 71505050024.

42005050517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32261188996 + 9743861521 = 179614^2 + 98711^2 .

It is a cyclic number.

It is not a de Polignac number, because 42005050517 - 2⁴ = 42005050501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42005050517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42005050547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21002525258 + 21002525259.

It is an arithmetic number, because the mean of its divisors is an integer number (21002525259).

Almost surely, 2^42005050517 is an apocalyptic number.

It is an amenable number.

42005050517 is a deficient number, since it is larger than the sum of its proper divisors (1).

42005050517 is an equidigital number, since it uses as much as digits as its factorization.

42005050517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 29.

The spelling of 42005050517 in words is "forty-two billion, five million, fifty thousand, five hundred seventeen".