50746053649 has 2 divisors, whose sum is σ = 50746053650. Its totient is φ = 50746053648.

The previous prime is 50746053647. The next prime is 50746053679. The reversal of 50746053649 is 94635064705.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47931220624 + 2814833025 = 218932^2 + 53055^2 .

It is a cyclic number.

It is not a de Polignac number, because 50746053649 - 2¹ = 50746053647 is a prime.

Together with 50746053647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50746053647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25373026824 + 25373026825.

It is an arithmetic number, because the mean of its divisors is an integer number (25373026825).

Almost surely, 2^50746053649 is an apocalyptic number.

It is an amenable number.

50746053649 is a deficient number, since it is larger than the sum of its proper divisors (1).

50746053649 is an equidigital number, since it uses as much as digits as its factorization.

50746053649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 50746053649 in words is "fifty billion, seven hundred forty-six million, fifty-three thousand, six hundred forty-nine".