50944813939 has 2 divisors, whose sum is σ = 50944813940. Its totient is φ = 50944813938.

The previous prime is 50944813891. The next prime is 50944813987. The reversal of 50944813939 is 93931844905.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (50944813891) and next prime (50944813987).

It is a cyclic number.

It is not a de Polignac number, because 50944813939 - 2¹⁹ = 50944289651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50944813939.

It is not a weakly prime, because it can be changed into another prime (50944813739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25472406969 + 25472406970.

It is an arithmetic number, because the mean of its divisors is an integer number (25472406970).

Almost surely, 2^50944813939 is an apocalyptic number.

50944813939 is a deficient number, since it is larger than the sum of its proper divisors (1).

50944813939 is an equidigital number, since it uses as much as digits as its factorization.

50944813939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 50944813939 in words is "fifty billion, nine hundred forty-four million, eight hundred thirteen thousand, nine hundred thirty-nine".