470972489 has 4 divisors (see below), whose sum is σ = 507201156. Its totient is φ = 434743824.

The previous prime is 470972417. The next prime is 470972527. The reversal of 470972489 is 984279074.

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 227768464 + 243204025 = 15092^2 + 15595^2 .

It is a cyclic number.

It is not a de Polignac number, because 470972489 - 2²⁰ = 469923913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470972389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18114314 + ... + 18114339.

It is an arithmetic number, because the mean of its divisors is an integer number (126800289).

Almost surely, 2^470972489 is an apocalyptic number.

It is an amenable number.

470972489 is a deficient number, since it is larger than the sum of its proper divisors (36228667).

470972489 is a wasteful number, since it uses less digits than its factorization.

470972489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36228666.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 470972489 is about 21701.9005849718. The cubic root of 470972489 is about 778.0338872990.

The spelling of 470972489 in words is "four hundred seventy million, nine hundred seventy-two thousand, four hundred eighty-nine".