226979816349 has 16 divisors (see below), whose sum is σ = 355548803904. Its totient is φ = 126981715200.

The previous prime is 226979816263. The next prime is 226979816353. The reversal of 226979816349 is 943618979622.

226979816349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 226979816349 - 2⁷ = 226979816221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226979816349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226979816449) 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 15 ways as a sum of consecutive naturals, for example, 264544812 + ... + 264545669.

It is an arithmetic number, because the mean of its divisors is an integer number (22221800244).

Almost surely, 2^226979816349 is an apocalyptic number.

It is an amenable number.

226979816349 is a deficient number, since it is larger than the sum of its proper divisors (128568987555).

226979816349 is a wasteful number, since it uses less digits than its factorization.

226979816349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529090508.

The product of its digits is 70543872, while the sum is 66.

The spelling of 226979816349 in words is "two hundred twenty-six billion, nine hundred seventy-nine million, eight hundred sixteen thousand, three hundred forty-nine".