1694009231694 has 96 divisors (see below), whose sum is σ = 4049780009184. Its totient is φ = 508434600960.

The previous prime is 1694009231683. The next prime is 1694009231729. The reversal of 1694009231694 is 4961329004961.

It is a happy number.

1694009231694 is a `hidden beast` number, since 1 + 69 + 400 + 92 + 3 + 1 + 6 + 94 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1694009231694.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77921194 + ... + 77942930.

It is an arithmetic number, because the mean of its divisors is an integer number (42185208429).

Almost surely, 2^{1694009231694} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1694009231694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2024890004592).

1694009231694 is an abundant number, since it is smaller than the sum of its proper divisors (2355770777490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1694009231694 is a wasteful number, since it uses less digits than its factorization.

1694009231694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29922 (or 29919 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

It can be divided in two parts, 1694009 and 231694, that added together give a triangular number (1925703 = T₁₉₆₂).

The spelling of 1694009231694 in words is "one trillion, six hundred ninety-four billion, nine million, two hundred thirty-one thousand, six hundred ninety-four".