1701664673 has 4 divisors (see below), whose sum is σ = 1705951380. Its totient is φ = 1697377968.

The previous prime is 1701664663. The next prime is 1701664747. The reversal of 1701664673 is 3764661071.

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 1371443089 + 330221584 = 37033^2 + 18172^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1701664673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1701664673.

It is not an unprimeable number, because it can be changed into a prime (1701664663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2142758 + ... + 2143551.

It is an arithmetic number, because the mean of its divisors is an integer number (426487845).

Almost surely, 2^1701664673 is an apocalyptic number.

It is an amenable number.

1701664673 is a deficient number, since it is larger than the sum of its proper divisors (4286707).

1701664673 is an equidigital number, since it uses as much as digits as its factorization.

1701664673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286706.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 1701664673 is about 41251.2384420153. The cubic root of 1701664673 is about 1193.8726254777.

The spelling of 1701664673 in words is "one billion, seven hundred one million, six hundred sixty-four thousand, six hundred seventy-three".