50616316465609 has 2 divisors, whose sum is σ = 50616316465610. Its totient is φ = 50616316465608.

The previous prime is 50616316465531. The next prime is 50616316465639. The reversal of 50616316465609 is 90656461361605.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50615441489209 + 874976400 = 7114453^2 + 29580^2 .

It is a cyclic number.

It is not a de Polignac number, because 50616316465609 - 2¹¹ = 50616316463561 is a prime.

It is a super-2 number, since 2×50616316465609² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50616316465639) 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, 25308158232804 + 25308158232805.

It is an arithmetic number, because the mean of its divisors is an integer number (25308158232805).

Almost surely, 2^{50616316465609} is an apocalyptic number.

It is an amenable number.

50616316465609 is a deficient number, since it is larger than the sum of its proper divisors (1).

50616316465609 is an equidigital number, since it uses as much as digits as its factorization.

50616316465609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20995200, while the sum is 58.

The spelling of 50616316465609 in words is "fifty trillion, six hundred sixteen billion, three hundred sixteen million, four hundred sixty-five thousand, six hundred nine".