3721419189 has 12 divisors (see below), whose sum is σ = 5520664396. Its totient is φ = 2413893312.

The previous prime is 3721419181. The next prime is 3721419193. The reversal of 3721419189 is 9819141273.

3721419189 is a `hidden beast` number, since 37 + 21 + 419 + 189 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2575055025 + 1146364164 = 50745^2 + 33858^2 .

It is not a de Polignac number, because 3721419189 - 2³ = 3721419181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721419181) 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, 5587384 + ... + 5588049.

Almost surely, 2^3721419189 is an apocalyptic number.

It is an amenable number.

3721419189 is a deficient number, since it is larger than the sum of its proper divisors (1799245207).

3721419189 is a wasteful number, since it uses less digits than its factorization.

3721419189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11175476 (or 11175473 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 3721419189 is about 61003.4358786454. The cubic root of 3721419189 is about 1549.6591951372.

The spelling of 3721419189 in words is "three billion, seven hundred twenty-one million, four hundred nineteen thousand, one hundred eighty-nine".