553665762817 has 2 divisors, whose sum is σ = 553665762818. Its totient is φ = 553665762816.

The previous prime is 553665762781. The next prime is 553665762857. The reversal of 553665762817 is 718267566355.

Together with previous prime (553665762781) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410629766416 + 143035996401 = 640804^2 + 378201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553665762817 is a prime.

It is not a weakly prime, because it can be changed into another prime (553665762857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276832881408 + 276832881409.

It is an arithmetic number, because the mean of its divisors is an integer number (276832881409).

Almost surely, 2^553665762817 is an apocalyptic number.

It is an amenable number.

553665762817 is a deficient number, since it is larger than the sum of its proper divisors (1).

553665762817 is an equidigital number, since it uses as much as digits as its factorization.

553665762817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504000, while the sum is 61.

The spelling of 553665762817 in words is "five hundred fifty-three billion, six hundred sixty-five million, seven hundred sixty-two thousand, eight hundred seventeen".