4000044088129 has 2 divisors, whose sum is σ = 4000044088130. Its totient is φ = 4000044088128.

The previous prime is 4000044088109. The next prime is 4000044088151. The reversal of 4000044088129 is 9218804400004.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3959013534529 + 41030553600 = 1989727^2 + 202560^2 .

It is a cyclic number.

It is not a de Polignac number, because 4000044088129 - 2¹¹ = 4000044086081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4000044088091 and 4000044088100.

It is not a weakly prime, because it can be changed into another prime (4000044088109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000022044064 + 2000022044065.

It is an arithmetic number, because the mean of its divisors is an integer number (2000022044065).

Almost surely, 2^{4000044088129} is an apocalyptic number.

It is an amenable number.

4000044088129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000044088129 is an equidigital number, since it uses as much as digits as its factorization.

4000044088129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 4000044088129 in words is "four trillion, forty-four million, eighty-eight thousand, one hundred twenty-nine".