3216820694 has 8 divisors (see below), whose sum is σ = 4839550248. Its totient is φ = 1603637280.

The previous prime is 3216820661. The next prime is 3216820703. The reversal of 3216820694 is 4960286123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2385692 + ... + 2387039.

It is an arithmetic number, because the mean of its divisors is an integer number (604943781).

Almost surely, 2^3216820694 is an apocalyptic number.

3216820694 is a deficient number, since it is larger than the sum of its proper divisors (1622729554).

3216820694 is a wasteful number, since it uses less digits than its factorization.

3216820694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773070.

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

The square root of 3216820694 is about 56717.0229648912. The cubic root of 3216820694 is about 1476.1900871633.

The spelling of 3216820694 in words is "three billion, two hundred sixteen million, eight hundred twenty thousand, six hundred ninety-four".