1689440222144 has 28 divisors (see below), whose sum is σ = 3352524631488. Its totient is φ = 844709606400.

The previous prime is 1689440222137. The next prime is 1689440222161. The reversal of 1689440222144 is 4412220449861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8919464 + ... + 9106904.

Almost surely, 2^{1689440222144} is an apocalyptic number.

It is an amenable number.

1689440222144 is a deficient number, since it is larger than the sum of its proper divisors (1663084409344).

1689440222144 is a wasteful number, since it uses less digits than its factorization.

1689440222144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328284 (or 328274 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 1689440222144 in words is "one trillion, six hundred eighty-nine billion, four hundred forty million, two hundred twenty-two thousand, one hundred forty-four".