3988973071570 has 16 divisors (see below), whose sum is σ = 7180344384408. Its totient is φ = 1595546371840.

The previous prime is 3988973071529. The next prime is 3988973071571. The reversal of 3988973071570 is 751703798893.

It can be written as a sum of positive squares in 4 ways, for example, as 3695110419289 + 293862652281 = 1922267^2 + 542091^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3988973071496 and 3988973071505.

It is not an unprimeable number, because it can be changed into a prime (3988973071571) 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, 4964809 + ... + 5712028.

Almost surely, 2^{3988973071570} is an apocalyptic number.

3988973071570 is a deficient number, since it is larger than the sum of its proper divisors (3191371312838).

3988973071570 is a wasteful number, since it uses less digits than its factorization.

3988973071570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10714205.

The product of its (nonzero) digits is 80015040, while the sum is 67.

The spelling of 3988973071570 in words is "three trillion, nine hundred eighty-eight billion, nine hundred seventy-three million, seventy-one thousand, five hundred seventy".