49509982559 has 2 divisors, whose sum is σ = 49509982560. Its totient is φ = 49509982558.

The previous prime is 49509982531. The next prime is 49509982609. The reversal of 49509982559 is 95528990594.

49509982559 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 is a cyclic number.

It is not a de Polignac number, because 49509982559 - 2²⁰ = 49508933983 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 49509982495 and 49509982504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49509982859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24754991279 + 24754991280.

It is an arithmetic number, because the mean of its divisors is an integer number (24754991280).

Almost surely, 2^49509982559 is an apocalyptic number.

49509982559 is a deficient number, since it is larger than the sum of its proper divisors (1).

49509982559 is an equidigital number, since it uses as much as digits as its factorization.

49509982559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488000, while the sum is 65.

The spelling of 49509982559 in words is "forty-nine billion, five hundred nine million, nine hundred eighty-two thousand, five hundred fifty-nine".