2104421017 has 2 divisors, whose sum is σ = 2104421018. Its totient is φ = 2104421016.

The previous prime is 2104421003. The next prime is 2104421069. The reversal of 2104421017 is 7101244012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1702057536 + 402363481 = 41256^2 + 20059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104421017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104461017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052210508 + 1052210509.

It is an arithmetic number, because the mean of its divisors is an integer number (1052210509).

Almost surely, 2^2104421017 is an apocalyptic number.

It is an amenable number.

2104421017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104421017 is an equidigital number, since it uses as much as digits as its factorization.

2104421017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2104421017 is about 45873.9688385472. The cubic root of 2104421017 is about 1281.4771799041.

Adding to 2104421017 its reverse (7101244012), we get a palindrome (9205665029).

The spelling of 2104421017 in words is "two billion, one hundred four million, four hundred twenty-one thousand, seventeen".