3481118821 has 2 divisors, whose sum is σ = 3481118822. Its totient is φ = 3481118820.

The previous prime is 3481118761. The next prime is 3481118827. The reversal of 3481118821 is 1288111843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3073482721 + 407636100 = 55439^2 + 20190^2 .

It is an emirp because it is prime and its reverse (1288111843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3481118821 - 2¹¹ = 3481116773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3481118827) 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, 1740559410 + 1740559411.

It is an arithmetic number, because the mean of its divisors is an integer number (1740559411).

Almost surely, 2^3481118821 is an apocalyptic number.

It is an amenable number.

3481118821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3481118821 is an equidigital number, since it uses as much as digits as its factorization.

3481118821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 37.

The square root of 3481118821 is about 59001.0069490344. The cubic root of 3481118821 is about 1515.5593531214.

The spelling of 3481118821 in words is "three billion, four hundred eighty-one million, one hundred eighteen thousand, eight hundred twenty-one".