3872989296971 has 4 divisors (see below), whose sum is σ = 3873208362744. Its totient is φ = 3872770231200.

The previous prime is 3872989296907. The next prime is 3872989296973. The reversal of 3872989296971 is 1796929892783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3872989296971 - 2⁶ = 3872989296907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3872989296973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109506365 + ... + 109541726.

It is an arithmetic number, because the mean of its divisors is an integer number (968302090686).

Almost surely, 2^{3872989296971} is an apocalyptic number.

3872989296971 is a deficient number, since it is larger than the sum of its proper divisors (219065773).

3872989296971 is a wasteful number, since it uses less digits than its factorization.

3872989296971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219065772.

The product of its digits is 1481421312, while the sum is 80.

The spelling of 3872989296971 in words is "three trillion, eight hundred seventy-two billion, nine hundred eighty-nine million, two hundred ninety-six thousand, nine hundred seventy-one".