50212199969 has 2 divisors, whose sum is σ = 50212199970. Its totient is φ = 50212199968.

The previous prime is 50212199963. The next prime is 50212200037. The reversal of 50212199969 is 96999121205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41989337569 + 8222862400 = 204913^2 + 90680^2 .

It is a cyclic number.

It is not a de Polignac number, because 50212199969 - 2⁴ = 50212199953 is a prime.

It is a super-2 number, since 2×50212199969² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50212199969.

It is not a weakly prime, because it can be changed into another prime (50212199963) 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, 25106099984 + 25106099985.

It is an arithmetic number, because the mean of its divisors is an integer number (25106099985).

Almost surely, 2^50212199969 is an apocalyptic number.

It is an amenable number.

50212199969 is a deficient number, since it is larger than the sum of its proper divisors (1).

50212199969 is an equidigital number, since it uses as much as digits as its factorization.

50212199969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 787320, while the sum is 53.

The spelling of 50212199969 in words is "fifty billion, two hundred twelve million, one hundred ninety-nine thousand, nine hundred sixty-nine".