1700649089 has 4 divisors (see below), whose sum is σ = 1713062724. Its totient is φ = 1688235456.

The previous prime is 1700649023. The next prime is 1700649103. The reversal of 1700649089 is 9809460071.

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 1142980864 + 557668225 = 33808^2 + 23615^2 .

It is a cyclic number.

It is not a de Polignac number, because 1700649089 - 2¹² = 1700644993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1700649289) 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, 6206612 + ... + 6206885.

It is an arithmetic number, because the mean of its divisors is an integer number (428265681).

Almost surely, 2^1700649089 is an apocalyptic number.

It is an amenable number.

1700649089 is a deficient number, since it is larger than the sum of its proper divisors (12413635).

1700649089 is a wasteful number, since it uses less digits than its factorization.

1700649089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12413634.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1700649089 is about 41238.9268652811. The cubic root of 1700649089 is about 1193.6350700131.

The spelling of 1700649089 in words is "one billion, seven hundred million, six hundred forty-nine thousand, eighty-nine".