3989190185875 has 32 divisors (see below), whose sum is σ = 5027502123072. Its totient is φ = 3160100160000.

The previous prime is 3989190185861. The next prime is 3989190185947. The reversal of 3989190185875 is 5785810919893.

It is not a de Polignac number, because 3989190185875 - 2²³ = 3989181797267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3989190185798 and 3989190185807.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4811995 + ... + 5579755.

It is an arithmetic number, because the mean of its divisors is an integer number (157109441346).

Almost surely, 2^{3989190185875} is an apocalyptic number.

3989190185875 is a deficient number, since it is larger than the sum of its proper divisors (1038311937197).

3989190185875 is a wasteful number, since it uses less digits than its factorization.

3989190185875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768184 (or 768174 counting only the distinct ones).

The product of its (nonzero) digits is 195955200, while the sum is 73.

The spelling of 3989190185875 in words is "three trillion, nine hundred eighty-nine billion, one hundred ninety million, one hundred eighty-five thousand, eight hundred seventy-five".