4004002291 has 2 divisors, whose sum is σ = 4004002292. Its totient is φ = 4004002290.

The previous prime is 4004002283. The next prime is 4004002309. The reversal of 4004002291 is 1922004004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4004002291 - 2³ = 4004002283 is a prime.

It is not a weakly prime, because it can be changed into another prime (4004002091) 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, 2002001145 + 2002001146.

It is an arithmetic number, because the mean of its divisors is an integer number (2002001146).

Almost surely, 2^4004002291 is an apocalyptic number.

4004002291 is a deficient number, since it is larger than the sum of its proper divisors (1).

4004002291 is an equidigital number, since it uses as much as digits as its factorization.

4004002291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4004002291 is about 63277.1861811190. The cubic root of 4004002291 is about 1587.9303122316.

Adding to 4004002291 its reverse (1922004004), we get a palindrome (5926006295).

The spelling of 4004002291 in words is "four billion, four million, two thousand, two hundred ninety-one".