4004244401987 has 2 divisors, whose sum is σ = 4004244401988. Its totient is φ = 4004244401986.

The previous prime is 4004244401977. The next prime is 4004244402019. The reversal of 4004244401987 is 7891044424004.

4004244401987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4004244401987 is a prime.

It is not a weakly prime, because it can be changed into another prime (4004244401917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002122200993 + 2002122200994.

It is an arithmetic number, because the mean of its divisors is an integer number (2002122200994).

Almost surely, 2^{4004244401987} is an apocalyptic number.

4004244401987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4004244401987 is an equidigital number, since it uses as much as digits as its factorization.

4004244401987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 4004244401987 in words is "four trillion, four billion, two hundred forty-four million, four hundred one thousand, nine hundred eighty-seven".