4289397331987 has 8 divisors (see below), whose sum is σ = 4387495240512. Its totient is φ = 4191584179200.

The previous prime is 4289397331957. The next prime is 4289397332021. The reversal of 4289397331987 is 7891337939824.

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 4289397331987 - 2⁷ = 4289397331859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4289397331927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71158464 + ... + 71218717.

It is an arithmetic number, because the mean of its divisors is an integer number (548436905064).

Almost surely, 2^{4289397331987} is an apocalyptic number.

4289397331987 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

4289397331987 is a deficient number, since it is larger than the sum of its proper divisors (98097908525).

4289397331987 is a wasteful number, since it uses less digits than its factorization.

4289397331987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142377869.

The product of its digits is 493807104, while the sum is 73.

The spelling of 4289397331987 in words is "four trillion, two hundred eighty-nine billion, three hundred ninety-seven million, three hundred thirty-one thousand, nine hundred eighty-seven".