417888253553 has 2 divisors, whose sum is σ = 417888253554. Its totient is φ = 417888253552.

The previous prime is 417888253493. The next prime is 417888253567. The reversal of 417888253553 is 355352888714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368234153329 + 49654100224 = 606823^2 + 222832^2 .

It is a cyclic number.

It is not a de Polignac number, because 417888253553 - 2²² = 417884059249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 417888253492 and 417888253501.

It is not a weakly prime, because it can be changed into another prime (417888255553) 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, 208944126776 + 208944126777.

It is an arithmetic number, because the mean of its divisors is an integer number (208944126777).

Almost surely, 2^417888253553 is an apocalyptic number.

It is an amenable number.

417888253553 is a deficient number, since it is larger than the sum of its proper divisors (1).

417888253553 is an equidigital number, since it uses as much as digits as its factorization.

417888253553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256000, while the sum is 59.

The spelling of 417888253553 in words is "four hundred seventeen billion, eight hundred eighty-eight million, two hundred fifty-three thousand, five hundred fifty-three".