50060661649 has 2 divisors, whose sum is σ = 50060661650. Its totient is φ = 50060661648.

The previous prime is 50060661571. The next prime is 50060661659. The reversal of 50060661649 is 94616606005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39848144400 + 10212517249 = 199620^2 + 101057^2 .

It is a cyclic number.

It is not a de Polignac number, because 50060661649 - 2²³ = 50052273041 is a prime.

It is not a weakly prime, because it can be changed into another prime (50060661659) 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, 25030330824 + 25030330825.

It is an arithmetic number, because the mean of its divisors is an integer number (25030330825).

Almost surely, 2^50060661649 is an apocalyptic number.

It is an amenable number.

50060661649 is a deficient number, since it is larger than the sum of its proper divisors (1).

50060661649 is an equidigital number, since it uses as much as digits as its factorization.

50060661649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 50060661649 in words is "fifty billion, sixty million, six hundred sixty-one thousand, six hundred forty-nine".