52331445209 has 2 divisors, whose sum is σ = 52331445210. Its totient is φ = 52331445208.

The previous prime is 52331445169. The next prime is 52331445217. The reversal of 52331445209 is 90254413325.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37434510400 + 14896934809 = 193480^2 + 122053^2 .

It is a cyclic number.

It is not a de Polignac number, because 52331445209 - 2¹⁶ = 52331379673 is a prime.

It is not a weakly prime, because it can be changed into another prime (52331441209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26165722604 + 26165722605.

It is an arithmetic number, because the mean of its divisors is an integer number (26165722605).

Almost surely, 2^52331445209 is an apocalyptic number.

It is an amenable number.

52331445209 is a deficient number, since it is larger than the sum of its proper divisors (1).

52331445209 is an equidigital number, since it uses as much as digits as its factorization.

52331445209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 52331445209 in words is "fifty-two billion, three hundred thirty-one million, four hundred forty-five thousand, two hundred nine".