470686538617 has 2 divisors, whose sum is σ = 470686538618. Its totient is φ = 470686538616.

The previous prime is 470686538603. The next prime is 470686538627. The reversal of 470686538617 is 716835686074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430780882921 + 39905655696 = 656339^2 + 199764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470686538617 is a prime.

It is a super-3 number, since 3×470686538617³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (470686538627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235343269308 + 235343269309.

It is an arithmetic number, because the mean of its divisors is an integer number (235343269309).

Almost surely, 2^470686538617 is an apocalyptic number.

It is an amenable number.

470686538617 is a deficient number, since it is larger than the sum of its proper divisors (1).

470686538617 is an equidigital number, since it uses as much as digits as its factorization.

470686538617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 470686538617 in words is "four hundred seventy billion, six hundred eighty-six million, five hundred thirty-eight thousand, six hundred seventeen".