1929216964 has 12 divisors (see below), whose sum is σ = 3379040784. Its totient is φ = 963776744.

The previous prime is 1929216901. The next prime is 1929216983. The reversal of 1929216964 is 4696129291.

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 3 ways as a sum of consecutive naturals, for example, 202702 + ... + 212005.

It is an arithmetic number, because the mean of its divisors is an integer number (281586732).

Almost surely, 2^1929216964 is an apocalyptic number.

It is an amenable number.

1929216964 is a deficient number, since it is larger than the sum of its proper divisors (1449823820).

1929216964 is a wasteful number, since it uses less digits than its factorization.

1929216964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415874 (or 415872 counting only the distinct ones).

The product of its digits is 419904, while the sum is 49.

The square root of 1929216964 is about 43922.8524119279. The cubic root of 1929216964 is about 1244.8786651860.

The spelling of 1929216964 in words is "one billion, nine hundred twenty-nine million, two hundred sixteen thousand, nine hundred sixty-four".