50562722389 has 2 divisors, whose sum is σ = 50562722390. Its totient is φ = 50562722388.

The previous prime is 50562722387. The next prime is 50562722407. The reversal of 50562722389 is 98322726505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50422702500 + 140019889 = 224550^2 + 11833^2 .

It is a cyclic number.

It is not a de Polignac number, because 50562722389 - 2¹ = 50562722387 is a prime.

Together with 50562722387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50562722387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25281361194 + 25281361195.

It is an arithmetic number, because the mean of its divisors is an integer number (25281361195).

Almost surely, 2^50562722389 is an apocalyptic number.

It is an amenable number.

50562722389 is a deficient number, since it is larger than the sum of its proper divisors (1).

50562722389 is an equidigital number, since it uses as much as digits as its factorization.

50562722389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 50562722389 in words is "fifty billion, five hundred sixty-two million, seven hundred twenty-two thousand, three hundred eighty-nine".