50221357169 has 2 divisors, whose sum is σ = 50221357170. Its totient is φ = 50221357168.

The previous prime is 50221357133. The next prime is 50221357183. The reversal of 50221357169 is 96175312205.

50221357169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29424256225 + 20797100944 = 171535^2 + 144212^2 .

It is a cyclic number.

It is not a de Polignac number, because 50221357169 - 2¹² = 50221353073 is a prime.

It is a super-2 number, since 2×50221357169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50221317169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25110678584 + 25110678585.

It is an arithmetic number, because the mean of its divisors is an integer number (25110678585).

Almost surely, 2^50221357169 is an apocalyptic number.

It is an amenable number.

50221357169 is a deficient number, since it is larger than the sum of its proper divisors (1).

50221357169 is an equidigital number, since it uses as much as digits as its factorization.

50221357169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 50221357169 in words is "fifty billion, two hundred twenty-one million, three hundred fifty-seven thousand, one hundred sixty-nine".