526872398653 has 2 divisors, whose sum is σ = 526872398654. Its totient is φ = 526872398652.

The previous prime is 526872398623. The next prime is 526872398713. The reversal of 526872398653 is 356893278625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309789088569 + 217083310084 = 556587^2 + 465922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-526872398653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526872398603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263436199326 + 263436199327.

It is an arithmetic number, because the mean of its divisors is an integer number (263436199327).

Almost surely, 2^526872398653 is an apocalyptic number.

It is an amenable number.

526872398653 is a deficient number, since it is larger than the sum of its proper divisors (1).

526872398653 is an equidigital number, since it uses as much as digits as its factorization.

526872398653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 130636800, while the sum is 64.

The spelling of 526872398653 in words is "five hundred twenty-six billion, eight hundred seventy-two million, three hundred ninety-eight thousand, six hundred fifty-three".