53486642213 has 2 divisors, whose sum is σ = 53486642214. Its totient is φ = 53486642212.

The previous prime is 53486642191. The next prime is 53486642317. The reversal of 53486642213 is 31224668435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34587816484 + 18898825729 = 185978^2 + 137473^2 .

It is a cyclic number.

It is not a de Polignac number, because 53486642213 - 2⁶ = 53486642149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53486642413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26743321106 + 26743321107.

It is an arithmetic number, because the mean of its divisors is an integer number (26743321107).

Almost surely, 2^53486642213 is an apocalyptic number.

It is an amenable number.

53486642213 is a deficient number, since it is larger than the sum of its proper divisors (1).

53486642213 is an equidigital number, since it uses as much as digits as its factorization.

53486642213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 44.

The spelling of 53486642213 in words is "fifty-three billion, four hundred eighty-six million, six hundred forty-two thousand, two hundred thirteen".