50074352821 has 2 divisors, whose sum is σ = 50074352822. Its totient is φ = 50074352820.

The previous prime is 50074352803. The next prime is 50074352827. The reversal of 50074352821 is 12825347005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36133827921 + 13940524900 = 190089^2 + 118070^2 .

It is a cyclic number.

It is not a de Polignac number, because 50074352821 - 2⁹ = 50074352309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50074352827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25037176410 + 25037176411.

It is an arithmetic number, because the mean of its divisors is an integer number (25037176411).

Almost surely, 2^50074352821 is an apocalyptic number.

It is an amenable number.

50074352821 is a deficient number, since it is larger than the sum of its proper divisors (1).

50074352821 is an equidigital number, since it uses as much as digits as its factorization.

50074352821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

Adding to 50074352821 its reverse (12825347005), we get a palindrome (62899699826).

The spelling of 50074352821 in words is "fifty billion, seventy-four million, three hundred fifty-two thousand, eight hundred twenty-one".