50450543221213 has 2 divisors, whose sum is σ = 50450543221214. Its totient is φ = 50450543221212.

The previous prime is 50450543221201. The next prime is 50450543221219. The reversal of 50450543221213 is 31212234505405.

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., 34553082406969 + 15897460814244 = 5878187^2 + 3987162^2 .

It is a cyclic number.

It is not a de Polignac number, because 50450543221213 - 2²⁹ = 50450006350301 is a prime.

It is a super-2 number, since 2×50450543221213² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50450543221219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25225271610606 + 25225271610607.

It is an arithmetic number, because the mean of its divisors is an integer number (25225271610607).

Almost surely, 2^{50450543221213} is an apocalyptic number.

It is an amenable number.

50450543221213 is a deficient number, since it is larger than the sum of its proper divisors (1).

50450543221213 is an equidigital number, since it uses as much as digits as its factorization.

50450543221213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 50450543221213 its reverse (31212234505405), we get a palindrome (81662777726618).

The spelling of 50450543221213 in words is "fifty trillion, four hundred fifty billion, five hundred forty-three million, two hundred twenty-one thousand, two hundred thirteen".