50649040263 has 16 divisors (see below), whose sum is σ = 67709955456. Its totient is φ = 33677148960.

The previous prime is 50649040261. The next prime is 50649040291. The reversal of 50649040263 is 36204094605.

It is not a de Polignac number, because 50649040263 - 2¹ = 50649040261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50649040261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3272020 + ... + 3287462.

It is an arithmetic number, because the mean of its divisors is an integer number (4231872216).

Almost surely, 2^50649040263 is an apocalyptic number.

50649040263 is a deficient number, since it is larger than the sum of its proper divisors (17060915193).

50649040263 is a wasteful number, since it uses less digits than its factorization.

50649040263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18254.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 50649040263 in words is "fifty billion, six hundred forty-nine million, forty thousand, two hundred sixty-three".