5136075821 has 2 divisors, whose sum is σ = 5136075822. Its totient is φ = 5136075820.

The previous prime is 5136075787. The next prime is 5136075871. The reversal of 5136075821 is 1285706315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5000469796 + 135606025 = 70714^2 + 11645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5136075821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5136075871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2568037910 + 2568037911.

It is an arithmetic number, because the mean of its divisors is an integer number (2568037911).

Almost surely, 2^5136075821 is an apocalyptic number.

It is an amenable number.

5136075821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5136075821 is an equidigital number, since it uses as much as digits as its factorization.

5136075821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 5136075821 is about 71666.4204561662. The cubic root of 5136075821 is about 1725.3497375028.

The spelling of 5136075821 in words is "five billion, one hundred thirty-six million, seventy-five thousand, eight hundred twenty-one".