1704061643 has 4 divisors (see below), whose sum is σ = 1704166968. Its totient is φ = 1703956320.

The previous prime is 1704061633. The next prime is 1704061649. The reversal of 1704061643 is 3461604071.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3461604071 = 137 ⋅25267183.

It is a cyclic number.

It is not a de Polignac number, because 1704061643 - 2⁴ = 1704061627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1704061649) 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, 22718 + ... + 62643.

It is an arithmetic number, because the mean of its divisors is an integer number (426041742).

Almost surely, 2^1704061643 is an apocalyptic number.

1704061643 is a deficient number, since it is larger than the sum of its proper divisors (105325).

1704061643 is an equidigital number, since it uses as much as digits as its factorization.

1704061643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105324.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1704061643 is about 41280.2815276253. The cubic root of 1704061643 is about 1194.4329266752.

The spelling of 1704061643 in words is "one billion, seven hundred four million, sixty-one thousand, six hundred forty-three".