470899489 has 2 divisors, whose sum is σ = 470899490. Its totient is φ = 470899488.

The previous prime is 470899483. The next prime is 470899501. The reversal of 470899489 is 984998074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369293089 + 101606400 = 19217^2 + 10080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470899489 is a prime.

It is a super-2 number, since 2×470899489² = 443492657480922242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (470899483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235449744 + 235449745.

It is an arithmetic number, because the mean of its divisors is an integer number (235449745).

Almost surely, 2^470899489 is an apocalyptic number.

It is an amenable number.

470899489 is a deficient number, since it is larger than the sum of its proper divisors (1).

470899489 is an equidigital number, since it uses as much as digits as its factorization.

470899489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The square root of 470899489 is about 21700.2186394515. The cubic root of 470899489 is about 777.9936872096.

The spelling of 470899489 in words is "four hundred seventy million, eight hundred ninety-nine thousand, four hundred eighty-nine".