5381643612 has 12 divisors (see below), whose sum is σ = 12557168456. Its totient is φ = 1793881200.

The previous prime is 5381643551. The next prime is 5381643623. The reversal of 5381643612 is 2163461835.

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

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, 224235139 + ... + 224235162.

Almost surely, 2^5381643612 is an apocalyptic number.

It is an amenable number.

5381643612 is an abundant number, since it is smaller than the sum of its proper divisors (7175524844).

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

5381643612 is a wasteful number, since it uses less digits than its factorization.

5381643612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448470308 (or 448470306 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 5381643612 is about 73359.6865587633. The cubic root of 5381643612 is about 1752.4204452142.

The spelling of 5381643612 in words is "five billion, three hundred eighty-one million, six hundred forty-three thousand, six hundred twelve".