3989190185963 has 8 divisors (see below), whose sum is σ = 4043650953216. Its totient is φ = 3934881757800.

The previous prime is 3989190185947. The next prime is 3989190185983. The reversal of 3989190185963 is 3695810919893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3989190185963 - 2⁴ = 3989190185947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3989190185983) 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, 38032043 + ... + 38136788.

It is an arithmetic number, because the mean of its divisors is an integer number (505456369152).

Almost surely, 2^{3989190185963} is an apocalyptic number.

3989190185963 is a deficient number, since it is larger than the sum of its proper divisors (54460767253).

3989190185963 is an equidigital number, since it uses as much as digits as its factorization.

3989190185963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76169545.

The product of its (nonzero) digits is 113374080, while the sum is 71.

The spelling of 3989190185963 in words is "three trillion, nine hundred eighty-nine billion, one hundred ninety million, one hundred eighty-five thousand, nine hundred sixty-three".