109872319 has 2 divisors, whose sum is σ = 109872320. Its totient is φ = 109872318.

The previous prime is 109872317. The next prime is 109872341. The reversal of 109872319 is 913278901.

It is a weak prime.

It is an emirp because it is prime and its reverse (913278901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109872319 - 2¹ = 109872317 is a prime.

It is a super-2 number, since 2×109872319² = 24143852964875522, which contains 22 as substring.

Together with 109872317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109872317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54936159 + 54936160.

It is an arithmetic number, because the mean of its divisors is an integer number (54936160).

Almost surely, 2^109872319 is an apocalyptic number.

109872319 is a deficient number, since it is larger than the sum of its proper divisors (1).

109872319 is an equidigital number, since it uses as much as digits as its factorization.

109872319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 109872319 is about 10481.9997614959. Note that the first 3 decimals coincide. The cubic root of 109872319 is about 478.9565280899.

The spelling of 109872319 in words is "one hundred nine million, eight hundred seventy-two thousand, three hundred nineteen".