50420213539 has 2 divisors, whose sum is σ = 50420213540. Its totient is φ = 50420213538.

The previous prime is 50420213527. The next prime is 50420213573. The reversal of 50420213539 is 93531202405.

It is an a-pointer prime, because the next prime (50420213573) can be obtained adding 50420213539 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50420213539 - 2⁹ = 50420213027 is a prime.

It is not a weakly prime, because it can be changed into another prime (50420213639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25210106769 + 25210106770.

It is an arithmetic number, because the mean of its divisors is an integer number (25210106770).

Almost surely, 2^50420213539 is an apocalyptic number.

50420213539 is a deficient number, since it is larger than the sum of its proper divisors (1).

50420213539 is an equidigital number, since it uses as much as digits as its factorization.

50420213539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 50420213539 in words is "fifty billion, four hundred twenty million, two hundred thirteen thousand, five hundred thirty-nine".