1931868804 has 12 divisors (see below), whose sum is σ = 4507693904. Its totient is φ = 643956264.

The previous prime is 1931868793. The next prime is 1931868811. The reversal of 1931868804 is 4088681391.

1931868804 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 80494522 + ... + 80494545.

Almost surely, 2^1931868804 is an apocalyptic number.

It is an amenable number.

1931868804 is an abundant number, since it is smaller than the sum of its proper divisors (2575825100).

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

1931868804 is a wasteful number, since it uses less digits than its factorization.

1931868804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160989074 (or 160989072 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 1931868804 is about 43953.0295201594. The cubic root of 1931868804 is about 1245.4487941850.

The spelling of 1931868804 in words is "one billion, nine hundred thirty-one million, eight hundred sixty-eight thousand, eight hundred four".