50894542243 has 2 divisors, whose sum is σ = 50894542244. Its totient is φ = 50894542242.

The previous prime is 50894542219. The next prime is 50894542249. The reversal of 50894542243 is 34224549805.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50894542243 is a prime.

It is a super-2 number, since 2×50894542243² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50894542193 and 50894542202.

It is not a weakly prime, because it can be changed into another prime (50894542249) 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 as a sum of consecutive naturals, namely, 25447271121 + 25447271122.

It is an arithmetic number, because the mean of its divisors is an integer number (25447271122).

Almost surely, 2^50894542243 is an apocalyptic number.

50894542243 is a deficient number, since it is larger than the sum of its proper divisors (1).

50894542243 is an equidigital number, since it uses as much as digits as its factorization.

50894542243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 50894542243 in words is "fifty billion, eight hundred ninety-four million, five hundred forty-two thousand, two hundred forty-three".