1694394812 has 12 divisors (see below), whose sum is σ = 3234753816. Its totient is φ = 770179440.

The previous prime is 1694394799. The next prime is 1694394839. The reversal of 1694394812 is 2184934961.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 19254443 + ... + 19254530.

It is an arithmetic number, because the mean of its divisors is an integer number (269562818).

Almost surely, 2^1694394812 is an apocalyptic number.

It is an amenable number.

1694394812 is a deficient number, since it is larger than the sum of its proper divisors (1540359004).

1694394812 is a wasteful number, since it uses less digits than its factorization.

1694394812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38508988 (or 38508986 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 1694394812 is about 41163.0272453327. The cubic root of 1694394812 is about 1192.1700422178.

The spelling of 1694394812 in words is "one billion, six hundred ninety-four million, three hundred ninety-four thousand, eight hundred twelve".