3989071279025 has 24 divisors (see below), whose sum is σ = 5655729736320. Its totient is φ = 2734082904960.

The previous prime is 3989071279003. The next prime is 3989071279051. The reversal of 3989071279025 is 5209721709893.

3989071279025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3989071279025 - 2²⁰ = 3989070230449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4959365 + ... + 5707314.

It is an arithmetic number, because the mean of its divisors is an integer number (235655405680).

Almost surely, 2^{3989071279025} is an apocalyptic number.

3989071279025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3989071279025 is a deficient number, since it is larger than the sum of its proper divisors (1666658457295).

3989071279025 is a wasteful number, since it uses less digits than its factorization.

3989071279025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10668833 (or 10668828 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 3989071279025 in words is "three trillion, nine hundred eighty-nine billion, seventy-one million, two hundred seventy-nine thousand, twenty-five".