50005042817 has 2 divisors, whose sum is σ = 50005042818. Its totient is φ = 50005042816.

The previous prime is 50005042793. The next prime is 50005042883. The reversal of 50005042817 is 71824050005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35162250256 + 14842792561 = 187516^2 + 121831^2 .

It is a cyclic number.

It is not a de Polignac number, because 50005042817 - 2⁸ = 50005042561 is a prime.

It is not a weakly prime, because it can be changed into another prime (50005092817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25002521408 + 25002521409.

It is an arithmetic number, because the mean of its divisors is an integer number (25002521409).

Almost surely, 2^50005042817 is an apocalyptic number.

It is an amenable number.

50005042817 is a deficient number, since it is larger than the sum of its proper divisors (1).

50005042817 is an equidigital number, since it uses as much as digits as its factorization.

50005042817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 32.

The spelling of 50005042817 in words is "fifty billion, five million, forty-two thousand, eight hundred seventeen".