3781913589 has 12 divisors (see below), whose sum is σ = 5516852172. Its totient is φ = 2496312000.

The previous prime is 3781913573. The next prime is 3781913599. The reversal of 3781913589 is 9853191873.

3781913589 is a `hidden beast` number, since 37 + 8 + 19 + 13 + 589 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2186310564 + 1595603025 = 46758^2 + 39945^2 .

It is not a de Polignac number, because 3781913589 - 2⁴ = 3781913573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781913549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2079352 + ... + 2081169.

It is an arithmetic number, because the mean of its divisors is an integer number (459737681).

Almost surely, 2^3781913589 is an apocalyptic number.

It is an amenable number.

3781913589 is a deficient number, since it is larger than the sum of its proper divisors (1734938583).

3781913589 is a wasteful number, since it uses less digits than its factorization.

3781913589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160628 (or 4160625 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 3781913589 is about 61497.2648903998. The cubic root of 3781913589 is about 1558.0110512788.

The spelling of 3781913589 in words is "three billion, seven hundred eighty-one million, nine hundred thirteen thousand, five hundred eighty-nine".