49509982563 has 4 divisors (see below), whose sum is σ = 66013310088. Its totient is φ = 33006655040.

The previous prime is 49509982559. The next prime is 49509982609. The reversal of 49509982563 is 36528990594.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49509982563 - 2² = 49509982559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49509982497 and 49509982506.

It is not an unprimeable number, because it can be changed into a prime (49509982163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8251663758 + ... + 8251663763.

It is an arithmetic number, because the mean of its divisors is an integer number (16503327522).

Almost surely, 2^49509982563 is an apocalyptic number.

49509982563 is a deficient number, since it is larger than the sum of its proper divisors (16503327525).

49509982563 is a wasteful number, since it uses less digits than its factorization.

49509982563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16503327524.

The product of its (nonzero) digits is 20995200, while the sum is 60.

The spelling of 49509982563 in words is "forty-nine billion, five hundred nine million, nine hundred eighty-two thousand, five hundred sixty-three".