3411611821 has 2 divisors, whose sum is σ = 3411611822. Its totient is φ = 3411611820.

The previous prime is 3411611809. The next prime is 3411611849. The reversal of 3411611821 is 1281161143.

It is an a-pointer prime, because the next prime (3411611849) can be obtained adding 3411611821 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2786361796 + 625250025 = 52786^2 + 25005^2 .

It is an emirp because it is prime and its reverse (1281161143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3411611821 - 2⁵ = 3411611789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3411611821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3411612821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1705805910 + 1705805911.

It is an arithmetic number, because the mean of its divisors is an integer number (1705805911).

Almost surely, 2^3411611821 is an apocalyptic number.

It is an amenable number.

3411611821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3411611821 is an equidigital number, since it uses as much as digits as its factorization.

3411611821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 28.

The square root of 3411611821 is about 58409.0046225751. The cubic root of 3411611821 is about 1505.4044778416.

Adding to 3411611821 its reverse (1281161143), we get a palindrome (4692772964).

The spelling of 3411611821 in words is "three billion, four hundred eleven million, six hundred eleven thousand, eight hundred twenty-one".