221336474413 has 32 divisors (see below), whose sum is σ = 238392000000. Its totient is φ = 204884551872.

The previous prime is 221336474399. The next prime is 221336474473. The reversal of 221336474413 is 314474633122.

221336474413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 221336474413 - 2²¹ = 221334377261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221336474473) 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 in 31 ways as a sum of consecutive naturals, for example, 147655338 + ... + 147656836.

It is an arithmetic number, because the mean of its divisors is an integer number (7449750000).

Almost surely, 2^221336474413 is an apocalyptic number.

It is an amenable number.

221336474413 is a deficient number, since it is larger than the sum of its proper divisors (17055525587).

221336474413 is a wasteful number, since it uses less digits than its factorization.

221336474413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569.

The product of its digits is 290304, while the sum is 40.

The spelling of 221336474413 in words is "two hundred twenty-one billion, three hundred thirty-six million, four hundred seventy-four thousand, four hundred thirteen".