53263339697 has 2 divisors, whose sum is σ = 53263339698. Its totient is φ = 53263339696.

The previous prime is 53263339651. The next prime is 53263339721. The reversal of 53263339697 is 79693336235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49697339041 + 3566000656 = 222929^2 + 59716^2 .

It is a cyclic number.

It is not a de Polignac number, because 53263339697 - 2¹⁴ = 53263323313 is a prime.

It is not a weakly prime, because it can be changed into another prime (53263336697) 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, 26631669848 + 26631669849.

It is an arithmetic number, because the mean of its divisors is an integer number (26631669849).

Almost surely, 2^53263339697 is an apocalyptic number.

It is an amenable number.

53263339697 is a deficient number, since it is larger than the sum of its proper divisors (1).

53263339697 is an equidigital number, since it uses as much as digits as its factorization.

53263339697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16533720, while the sum is 56.

The spelling of 53263339697 in words is "fifty-three billion, two hundred sixty-three million, three hundred thirty-nine thousand, six hundred ninety-seven".