5044515821 has 2 divisors, whose sum is σ = 5044515822. Its totient is φ = 5044515820.

The previous prime is 5044515667. The next prime is 5044515851. The reversal of 5044515821 is 1285154405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4718316100 + 326199721 = 68690^2 + 18061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5044515821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5044515851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2522257910 + 2522257911.

It is an arithmetic number, because the mean of its divisors is an integer number (2522257911).

Almost surely, 2^5044515821 is an apocalyptic number.

It is an amenable number.

5044515821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5044515821 is an equidigital number, since it uses as much as digits as its factorization.

5044515821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 5044515821 is about 71024.7549872578. The cubic root of 5044515821 is about 1715.0356925482.

It can be divided in two parts, 50445 and 15821, that added together give a palindrome (66266).

The spelling of 5044515821 in words is "five billion, forty-four million, five hundred fifteen thousand, eight hundred twenty-one".