2104402387 has 2 divisors, whose sum is σ = 2104402388. Its totient is φ = 2104402386.

The previous prime is 2104402331. The next prime is 2104402403. The reversal of 2104402387 is 7832044012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2104402387 - 2¹¹ = 2104400339 is a prime.

It is a super-2 number, since 2×2104402387² = 8857018812822595538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2104402187) 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, 1052201193 + 1052201194.

It is an arithmetic number, because the mean of its divisors is an integer number (1052201194).

Almost surely, 2^2104402387 is an apocalyptic number.

2104402387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104402387 is an equidigital number, since it uses as much as digits as its factorization.

2104402387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2104402387 is about 45873.7657817625. The cubic root of 2104402387 is about 1281.4733983429.

Adding to 2104402387 its reverse (7832044012), we get a palindrome (9936446399).

The spelling of 2104402387 in words is "two billion, one hundred four million, four hundred two thousand, three hundred eighty-seven".