470991669 has 8 divisors (see below), whose sum is σ = 629572320. Its totient is φ = 313202736.

The previous prime is 470991667. The next prime is 470991673. The reversal of 470991669 is 966199074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 470991669 - 2¹ = 470991667 is a prime.

It is a super-2 number, since 2×470991669² = 443666304534811122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470991667) 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 in 7 ways as a sum of consecutive naturals, for example, 196539 + ... + 198920.

It is an arithmetic number, because the mean of its divisors is an integer number (78696540).

Almost surely, 2^470991669 is an apocalyptic number.

It is an amenable number.

470991669 is a deficient number, since it is larger than the sum of its proper divisors (158580651).

470991669 is a wasteful number, since it uses less digits than its factorization.

470991669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395859.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 470991669 is about 21702.3424772535. The cubic root of 470991669 is about 778.0444487704.

The spelling of 470991669 in words is "four hundred seventy million, nine hundred ninety-one thousand, six hundred sixty-nine".