2104442387 has 2 divisors, whose sum is σ = 2104442388. Its totient is φ = 2104442386.

The previous prime is 2104442381. The next prime is 2104442401. The reversal of 2104442387 is 7832444012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2104442387 - 2²⁰ = 2103393811 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104442381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052221193 + 1052221194.

It is an arithmetic number, because the mean of its divisors is an integer number (1052221194).

Almost surely, 2^2104442387 is an apocalyptic number.

2104442387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104442387 is an equidigital number, since it uses as much as digits as its factorization.

2104442387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 2104442387 is about 45874.2017587227. The cubic root of 2104442387 is about 1281.4815176094.

Adding to 2104442387 its reverse (7832444012), we get a palindrome (9936886399).

The spelling of 2104442387 in words is "two billion, one hundred four million, four hundred forty-two thousand, three hundred eighty-seven".