50463278321 has 2 divisors, whose sum is σ = 50463278322. Its totient is φ = 50463278320.

The previous prime is 50463278309. The next prime is 50463278389. The reversal of 50463278321 is 12387236405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47050381921 + 3412896400 = 216911^2 + 58420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50463278321 is a prime.

It is not a weakly prime, because it can be changed into another prime (50463278221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25231639160 + 25231639161.

It is an arithmetic number, because the mean of its divisors is an integer number (25231639161).

Almost surely, 2^50463278321 is an apocalyptic number.

It is an amenable number.

50463278321 is a deficient number, since it is larger than the sum of its proper divisors (1).

50463278321 is an equidigital number, since it uses as much as digits as its factorization.

50463278321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 50463278321 in words is "fifty billion, four hundred sixty-three million, two hundred seventy-eight thousand, three hundred twenty-one".