50640277243 has 2 divisors, whose sum is σ = 50640277244. Its totient is φ = 50640277242.

The previous prime is 50640277223. The next prime is 50640277267. The reversal of 50640277243 is 34277204605.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50640277243 - 2¹⁷ = 50640146171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50640277196 and 50640277205.

It is not a weakly prime, because it can be changed into another prime (50640277213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25320138621 + 25320138622.

It is an arithmetic number, because the mean of its divisors is an integer number (25320138622).

Almost surely, 2^50640277243 is an apocalyptic number.

50640277243 is a deficient number, since it is larger than the sum of its proper divisors (1).

50640277243 is an equidigital number, since it uses as much as digits as its factorization.

50640277243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 50640277243 in words is "fifty billion, six hundred forty million, two hundred seventy-seven thousand, two hundred forty-three".