3872149712 has 10 divisors (see below), whose sum is σ = 7502290098. Its totient is φ = 1936074848.

The previous prime is 3872149711. The next prime is 3872149717. The reversal of 3872149712 is 2179412783.

It can be written as a sum of positive squares in only one way, i.e., 2430884416 + 1441265296 = 49304^2 + 37964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872149711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121004663 + ... + 121004694.

Almost surely, 2^3872149712 is an apocalyptic number.

It is an amenable number.

3872149712 is a deficient number, since it is larger than the sum of its proper divisors (3630140386).

3872149712 is a wasteful number, since it uses less digits than its factorization.

3872149712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242009365 (or 242009359 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 3872149712 is about 62226.5997142701. The cubic root of 3872149712 is about 1570.3051203535.

The spelling of 3872149712 in words is "three billion, eight hundred seventy-two million, one hundred forty-nine thousand, seven hundred twelve".