109403271919 has 4 divisors (see below), whose sum is σ = 112360117144. Its totient is φ = 106446426696.

The previous prime is 109403271869. The next prime is 109403271937. The reversal of 109403271919 is 919172304901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109403271919 - 2²¹ = 109401174767 is a prime.

It is a super-2 number, since 2×109403271919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109403272919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1478422557 + ... + 1478422630.

It is an arithmetic number, because the mean of its divisors is an integer number (28090029286).

Almost surely, 2^109403271919 is an apocalyptic number.

109403271919 is a deficient number, since it is larger than the sum of its proper divisors (2956845225).

109403271919 is an equidigital number, since it uses as much as digits as its factorization.

109403271919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956845224.

The product of its (nonzero) digits is 122472, while the sum is 46.

The spelling of 109403271919 in words is "one hundred nine billion, four hundred three million, two hundred seventy-one thousand, nine hundred nineteen".