1929952803968 has 64 divisors (see below), whose sum is σ = 4396174801920. Its totient is φ = 826730004480.

The previous prime is 1929952803949. The next prime is 1929952804001. The reversal of 1929952803968 is 8693082599291.

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 1381280 + ... + 2401632.

It is an arithmetic number, because the mean of its divisors is an integer number (68690231280).

Almost surely, 2^{1929952803968} is an apocalyptic number.

It is an amenable number.

1929952803968 is an abundant number, since it is smaller than the sum of its proper divisors (2466221997952).

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

1929952803968 is a wasteful number, since it uses less digits than its factorization.

1929952803968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022485 (or 1022473 counting only the distinct ones).

The product of its (nonzero) digits is 151165440, while the sum is 71.

The spelling of 1929952803968 in words is "one trillion, nine hundred twenty-nine billion, nine hundred fifty-two million, eight hundred three thousand, nine hundred sixty-eight".