4000012889 has 2 divisors, whose sum is σ = 4000012890. Its totient is φ = 4000012888.

The previous prime is 4000012859. The next prime is 4000012901. The reversal of 4000012889 is 9882100004.

It is a happy number.

4000012889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3728323600 + 271689289 = 61060^2 + 16483^2 .

It is a cyclic number.

It is not a de Polignac number, because 4000012889 - 2⁸ = 4000012633 is a prime.

It is a super-2 number, since 2×4000012889² = 32000206224332252642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4000012859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000006444 + 2000006445.

It is an arithmetic number, because the mean of its divisors is an integer number (2000006445).

Almost surely, 2^4000012889 is an apocalyptic number.

It is an amenable number.

4000012889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000012889 is an equidigital number, since it uses as much as digits as its factorization.

4000012889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 4000012889 is about 63245.6550997774. The cubic root of 4000012889 is about 1587.4027569674.

The spelling of 4000012889 in words is "four billion, twelve thousand, eight hundred eighty-nine".