2102404441 has 2 divisors, whose sum is σ = 2102404442. Its totient is φ = 2102404440.

The previous prime is 2102404313. The next prime is 2102404463. The reversal of 2102404441 is 1444042012.

It is an a-pointer prime, because the next prime (2102404463) can be obtained adding 2102404441 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1468422400 + 633982041 = 38320^2 + 25179^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102404441 - 2⁷ = 2102404313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102404541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051202220 + 1051202221.

It is an arithmetic number, because the mean of its divisors is an integer number (1051202221).

Almost surely, 2^2102404441 is an apocalyptic number.

It is an amenable number.

2102404441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102404441 is an equidigital number, since it uses as much as digits as its factorization.

2102404441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2102404441 is about 45851.9840464947. The cubic root of 2102404441 is about 1281.0677209625.

Adding to 2102404441 its reverse (1444042012), we get a palindrome (3546446453).

The spelling of 2102404441 in words is "two billion, one hundred two million, four hundred four thousand, four hundred forty-one".