50406426163 has 4 divisors (see below), whose sum is σ = 50412241368. Its totient is φ = 50400610960.

The previous prime is 50406426151. The next prime is 50406426199. The reversal of 50406426163 is 36162460405.

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 50406426163 - 2²¹ = 50404329011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50406406163) 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 3 ways as a sum of consecutive naturals, for example, 2894581 + ... + 2911942.

It is an arithmetic number, because the mean of its divisors is an integer number (12603060342).

Almost surely, 2^50406426163 is an apocalyptic number.

50406426163 is a deficient number, since it is larger than the sum of its proper divisors (5815205).

50406426163 is an equidigital number, since it uses as much as digits as its factorization.

50406426163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815204.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 50406426163 its reverse (36162460405), we get a palindrome (86568886568).

The spelling of 50406426163 in words is "fifty billion, four hundred six million, four hundred twenty-six thousand, one hundred sixty-three".