3751444989 has 8 divisors (see below), whose sum is σ = 5557696320. Its totient is φ = 2500963308.

The previous prime is 3751444979. The next prime is 3751444997. The reversal of 3751444989 is 9894441573.

3751444989 is a `hidden beast` number, since 3 + 7 + 5 + 144 + 498 + 9 = 666.

It is not a de Polignac number, because 3751444989 - 2⁴ = 3751444973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3751444979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69471177 + ... + 69471230.

It is an arithmetic number, because the mean of its divisors is an integer number (694712040).

Almost surely, 2^3751444989 is an apocalyptic number.

It is an amenable number.

3751444989 is a deficient number, since it is larger than the sum of its proper divisors (1806251331).

3751444989 is a wasteful number, since it uses less digits than its factorization.

3751444989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138942416 (or 138942410 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 3751444989 is about 61249.0407190186. The cubic root of 3751444989 is about 1553.8157792087.

The spelling of 3751444989 in words is "three billion, seven hundred fifty-one million, four hundred forty-four thousand, nine hundred eighty-nine".