50303794421 has 2 divisors, whose sum is σ = 50303794422. Its totient is φ = 50303794420.

The previous prime is 50303794417. The next prime is 50303794439. The reversal of 50303794421 is 12449730305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29553391921 + 20750402500 = 171911^2 + 144050^2 .

It is a cyclic number.

It is not a de Polignac number, because 50303794421 - 2² = 50303794417 is a prime.

It is a super-3 number, since 3×50303794421³ (a number of 33 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50303790421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25151897210 + 25151897211.

It is an arithmetic number, because the mean of its divisors is an integer number (25151897211).

Almost surely, 2^50303794421 is an apocalyptic number.

It is an amenable number.

50303794421 is a deficient number, since it is larger than the sum of its proper divisors (1).

50303794421 is an equidigital number, since it uses as much as digits as its factorization.

50303794421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 50303794421 in words is "fifty billion, three hundred three million, seven hundred ninety-four thousand, four hundred twenty-one".