1694321834 has 16 divisors (see below), whose sum is σ = 2611527048. Its totient is φ = 823836672.

The previous prime is 1694321809. The next prime is 1694321851. The reversal of 1694321834 is 4381234961.

It can be written as a sum of positive squares in 4 ways, for example, as 1365080809 + 329241025 = 36947^2 + 18145^2 .

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1694321791 and 1694321800.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 174122 + ... + 183594.

Almost surely, 2^1694321834 is an apocalyptic number.

1694321834 is a deficient number, since it is larger than the sum of its proper divisors (917205214).

1694321834 is a wasteful number, since it uses less digits than its factorization.

1694321834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11929.

The product of its digits is 124416, while the sum is 41.

The square root of 1694321834 is about 41162.1407849495. The cubic root of 1694321834 is about 1192.1529262867.

The spelling of 1694321834 in words is "one billion, six hundred ninety-four million, three hundred twenty-one thousand, eight hundred thirty-four".