4022001120409 has 2 divisors, whose sum is σ = 4022001120410. Its totient is φ = 4022001120408.

The previous prime is 4022001120353. The next prime is 4022001120427. The reversal of 4022001120409 is 9040211002204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3112701561225 + 909299559184 = 1764285^2 + 953572^2 .

It is a cyclic number.

It is not a de Polignac number, because 4022001120409 - 2⁹ = 4022001119897 is a prime.

It is not a weakly prime, because it can be changed into another prime (4022001120509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011000560204 + 2011000560205.

It is an arithmetic number, because the mean of its divisors is an integer number (2011000560205).

Almost surely, 2^{4022001120409} is an apocalyptic number.

It is an amenable number.

4022001120409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4022001120409 is an equidigital number, since it uses as much as digits as its factorization.

4022001120409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 4022001120409 in words is "four trillion, twenty-two billion, one million, one hundred twenty thousand, four hundred nine".