50506439843 has 2 divisors, whose sum is σ = 50506439844. Its totient is φ = 50506439842.

The previous prime is 50506439821. The next prime is 50506439857. The reversal of 50506439843 is 34893460505.

50506439843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50506439843 - 2⁸ = 50506439587 is a prime.

It is a super-2 number, since 2×50506439843² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50506439813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25253219921 + 25253219922.

It is an arithmetic number, because the mean of its divisors is an integer number (25253219922).

Almost surely, 2^50506439843 is an apocalyptic number.

50506439843 is a deficient number, since it is larger than the sum of its proper divisors (1).

50506439843 is an equidigital number, since it uses as much as digits as its factorization.

50506439843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 50506439843 in words is "fifty billion, five hundred six million, four hundred thirty-nine thousand, eight hundred forty-three".