50164584649 has 2 divisors, whose sum is σ = 50164584650. Its totient is φ = 50164584648.

The previous prime is 50164584637. The next prime is 50164584671. The reversal of 50164584649 is 94648546105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30758144400 + 19406440249 = 175380^2 + 139307^2 .

It is a cyclic number.

It is not a de Polignac number, because 50164584649 - 2⁹ = 50164584137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50164584596 and 50164584605.

It is not a weakly prime, because it can be changed into another prime (50164584689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25082292324 + 25082292325.

It is an arithmetic number, because the mean of its divisors is an integer number (25082292325).

Almost surely, 2^50164584649 is an apocalyptic number.

It is an amenable number.

50164584649 is a deficient number, since it is larger than the sum of its proper divisors (1).

50164584649 is an equidigital number, since it uses as much as digits as its factorization.

50164584649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 50164584649 in words is "fifty billion, one hundred sixty-four million, five hundred eighty-four thousand, six hundred forty-nine".