470886985909 has 4 divisors (see below), whose sum is σ = 470910376300. Its totient is φ = 470863595520.

The previous prime is 470886985897. The next prime is 470886985931. The reversal of 470886985909 is 909589688074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153230753809 + 317656232100 = 391447^2 + 563610^2 .

It is a cyclic number.

It is not a de Polignac number, because 470886985909 - 2²¹ = 470884888757 is a prime.

It is a super-3 number, since 3×470886985909³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470886985969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11664972 + ... + 11705269.

It is an arithmetic number, because the mean of its divisors is an integer number (117727594075).

Almost surely, 2^470886985909 is an apocalyptic number.

It is an amenable number.

470886985909 is a deficient number, since it is larger than the sum of its proper divisors (23390391).

470886985909 is a wasteful number, since it uses less digits than its factorization.

470886985909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23390390.

The product of its (nonzero) digits is 313528320, while the sum is 73.

The spelling of 470886985909 in words is "four hundred seventy billion, eight hundred eighty-six million, nine hundred eighty-five thousand, nine hundred nine".