52471802849 has 2 divisors, whose sum is σ = 52471802850. Its totient is φ = 52471802848.

The previous prime is 52471802791. The next prime is 52471802939. The reversal of 52471802849 is 94820817425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30882790225 + 21589012624 = 175735^2 + 146932^2 .

It is a cyclic number.

It is not a de Polignac number, because 52471802849 - 2¹⁶ = 52471737313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52471802797 and 52471802806.

It is not a weakly prime, because it can be changed into another prime (52471802249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26235901424 + 26235901425.

It is an arithmetic number, because the mean of its divisors is an integer number (26235901425).

Almost surely, 2^52471802849 is an apocalyptic number.

It is an amenable number.

52471802849 is a deficient number, since it is larger than the sum of its proper divisors (1).

52471802849 is an equidigital number, since it uses as much as digits as its factorization.

52471802849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 52471802849 in words is "fifty-two billion, four hundred seventy-one million, eight hundred two thousand, eight hundred forty-nine".