5030051821 has 2 divisors, whose sum is σ = 5030051822. Its totient is φ = 5030051820.

The previous prime is 5030051779. The next prime is 5030051869. The reversal of 5030051821 is 1281500305.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3250140100 + 1779911721 = 57010^2 + 42189^2 .

It is a cyclic number.

It is not a de Polignac number, because 5030051821 - 2¹⁵ = 5030019053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5030051891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515025910 + 2515025911.

It is an arithmetic number, because the mean of its divisors is an integer number (2515025911).

Almost surely, 2^5030051821 is an apocalyptic number.

It is an amenable number.

5030051821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5030051821 is an equidigital number, since it uses as much as digits as its factorization.

5030051821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 5030051821 is about 70922.8582404855. The cubic root of 5030051821 is about 1713.3949653533.

The spelling of 5030051821 in words is "five billion, thirty million, fifty-one thousand, eight hundred twenty-one".