1670000489 has 4 divisors (see below), whose sum is σ = 1671211140. Its totient is φ = 1668789840.

The previous prime is 1670000461. The next prime is 1670000509. The reversal of 1670000489 is 9840000761.

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 416486464 + 1253514025 = 20408^2 + 35405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1670000489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670200489) 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, 603254 + ... + 606015.

It is an arithmetic number, because the mean of its divisors is an integer number (417802785).

Almost surely, 2^1670000489 is an apocalyptic number.

It is an amenable number.

1670000489 is a deficient number, since it is larger than the sum of its proper divisors (1210651).

1670000489 is a wasteful number, since it uses less digits than its factorization.

1670000489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210650.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1670000489 is about 40865.6394664270. The cubic root of 1670000489 is about 1186.4211116689.

The spelling of 1670000489 in words is "one billion, six hundred seventy million, four hundred eighty-nine", and thus it is an aban number.