50203122397 has 2 divisors, whose sum is σ = 50203122398. Its totient is φ = 50203122396.

The previous prime is 50203122371. The next prime is 50203122449. The reversal of 50203122397 is 79322130205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27335331556 + 22867790841 = 165334^2 + 151221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50203122397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50203152397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25101561198 + 25101561199.

It is an arithmetic number, because the mean of its divisors is an integer number (25101561199).

Almost surely, 2^50203122397 is an apocalyptic number.

It is an amenable number.

50203122397 is a deficient number, since it is larger than the sum of its proper divisors (1).

50203122397 is an equidigital number, since it uses as much as digits as its factorization.

50203122397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The spelling of 50203122397 in words is "fifty billion, two hundred three million, one hundred twenty-two thousand, three hundred ninety-seven".