50823935989 has 2 divisors, whose sum is σ = 50823935990. Its totient is φ = 50823935988.

The previous prime is 50823935983. The next prime is 50823936013. The reversal of 50823935989 is 98953932805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49450640625 + 1373295364 = 222375^2 + 37058^2 .

It is a cyclic number.

It is not a de Polignac number, because 50823935989 - 2²⁹ = 50287065077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50823935983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25411967994 + 25411967995.

It is an arithmetic number, because the mean of its divisors is an integer number (25411967995).

Almost surely, 2^50823935989 is an apocalyptic number.

It is an amenable number.

50823935989 is a deficient number, since it is larger than the sum of its proper divisors (1).

50823935989 is an equidigital number, since it uses as much as digits as its factorization.

50823935989 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 61.

The spelling of 50823935989 in words is "fifty billion, eight hundred twenty-three million, nine hundred thirty-five thousand, nine hundred eighty-nine".