3474388682821 has 32 divisors (see below), whose sum is σ = 4107442106880. Its totient is φ = 2876721267456.

The previous prime is 3474388682803. The next prime is 3474388682827. The reversal of 3474388682821 is 1282868834743.

It is a cyclic number.

It is not a de Polignac number, because 3474388682821 - 2¹¹ = 3474388680773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3474388682827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31713480 + ... + 31822846.

It is an arithmetic number, because the mean of its divisors is an integer number (128357565840).

Almost surely, 2^{3474388682821} is an apocalyptic number.

It is an amenable number.

3474388682821 is a deficient number, since it is larger than the sum of its proper divisors (633053424059).

3474388682821 is a wasteful number, since it uses less digits than its factorization.

3474388682821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110293.

The product of its digits is 99090432, while the sum is 64.

The spelling of 3474388682821 in words is "three trillion, four hundred seventy-four billion, three hundred eighty-eight million, six hundred eighty-two thousand, eight hundred twenty-one".