1670030489 has 8 divisors (see below), whose sum is σ = 1703466120. Its totient is φ = 1636790400.

The previous prime is 1670030449. The next prime is 1670030497. The reversal of 1670030489 is 9840300761.

It can be written as a sum of positive squares in 4 ways, for example, as 94575625 + 1575454864 = 9725^2 + 39692^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1670030489 - 2¹⁶ = 1669964953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670030429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31574 + ... + 65855.

It is an arithmetic number, because the mean of its divisors is an integer number (212933265).

Almost surely, 2^1670030489 is an apocalyptic number.

It is an amenable number.

1670030489 is a deficient number, since it is larger than the sum of its proper divisors (33435631).

1670030489 is an equidigital number, since it uses as much as digits as its factorization.

1670030489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97771.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1670030489 is about 40866.0065213130. The cubic root of 1670030489 is about 1186.4282159424.

The spelling of 1670030489 in words is "one billion, six hundred seventy million, thirty thousand, four hundred eighty-nine".