1931446768 has 20 divisors (see below), whose sum is σ = 3843319240. Its totient is φ = 939622464.

The previous prime is 1931446753. The next prime is 1931446799. The reversal of 1931446768 is 8676441391.

It is a congruent number.

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, 1630698 + ... + 1631881.

It is an arithmetic number, because the mean of its divisors is an integer number (192165962).

Almost surely, 2^1931446768 is an apocalyptic number.

It is an amenable number.

1931446768 is a deficient number, since it is larger than the sum of its proper divisors (1911872472).

1931446768 is a wasteful number, since it uses less digits than its factorization.

1931446768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262624 (or 3262618 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 1931446768 is about 43948.2282691805. The cubic root of 1931446768 is about 1245.3580940114.

The spelling of 1931446768 in words is "one billion, nine hundred thirty-one million, four hundred forty-six thousand, seven hundred sixty-eight".