4012327152989 has 4 divisors (see below), whose sum is σ = 4012344783324. Its totient is φ = 4012309522656.

The previous prime is 4012327152979. The next prime is 4012327153027. The reversal of 4012327152989 is 9892517232104.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3744836484964 + 267490668025 = 1935158^2 + 517195^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012327152989 - 2¹⁶ = 4012327087453 is a prime.

It is a super-2 number, since 2×4012327152989² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4012327152989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012327152979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8469272 + ... + 8930465.

It is an arithmetic number, because the mean of its divisors is an integer number (1003086195831).

Almost surely, 2^{4012327152989} is an apocalyptic number.

It is an amenable number.

4012327152989 is a deficient number, since it is larger than the sum of its proper divisors (17630335).

4012327152989 is a wasteful number, since it uses less digits than its factorization.

4012327152989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17630334.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 4012327152989 in words is "four trillion, twelve billion, three hundred twenty-seven million, one hundred fifty-two thousand, nine hundred eighty-nine".