50021050493 has 2 divisors, whose sum is σ = 50021050494. Its totient is φ = 50021050492.

The previous prime is 50021050451. The next prime is 50021050523. The reversal of 50021050493 is 39405012005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34580005849 + 15441044644 = 185957^2 + 124262^2 .

It is a cyclic number.

It is not a de Polignac number, because 50021050493 - 2²² = 50016856189 is a prime.

It is a super-3 number, since 3×50021050493³ (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 (50021059493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25010525246 + 25010525247.

It is an arithmetic number, because the mean of its divisors is an integer number (25010525247).

Almost surely, 2^50021050493 is an apocalyptic number.

It is an amenable number.

50021050493 is a deficient number, since it is larger than the sum of its proper divisors (1).

50021050493 is an equidigital number, since it uses as much as digits as its factorization.

50021050493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 50021050493 its reverse (39405012005), we get a palindrome (89426062498).

The spelling of 50021050493 in words is "fifty billion, twenty-one million, fifty thousand, four hundred ninety-three".