109228889493 has 12 divisors (see below), whose sum is σ = 157779892608. Its totient is φ = 72817030440.

The previous prime is 109228889491. The next prime is 109228889507. The reversal of 109228889493 is 394988822901.

It is a happy number.

It is not a de Polignac number, because 109228889493 - 2¹ = 109228889491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109228889493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109228889491) 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 11 ways as a sum of consecutive naturals, for example, 158046 + ... + 493392.

It is an arithmetic number, because the mean of its divisors is an integer number (13148324384).

Almost surely, 2^109228889493 is an apocalyptic number.

It is an amenable number.

109228889493 is a deficient number, since it is larger than the sum of its proper divisors (48551003115).

109228889493 is a wasteful number, since it uses less digits than its factorization.

109228889493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371544 (or 371541 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The spelling of 109228889493 in words is "one hundred nine billion, two hundred twenty-eight million, eight hundred eighty-nine thousand, four hundred ninety-three".