109976443 has 2 divisors, whose sum is σ = 109976444. Its totient is φ = 109976442.

The previous prime is 109976441. The next prime is 109976483. The reversal of 109976443 is 344679901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109976443 - 2¹ = 109976441 is a prime.

Together with 109976441, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 109976443.

It is not a weakly prime, because it can be changed into another prime (109976441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54988221 + 54988222.

It is an arithmetic number, because the mean of its divisors is an integer number (54988222).

Almost surely, 2^109976443 is an apocalyptic number.

109976443 is a deficient number, since it is larger than the sum of its proper divisors (1).

109976443 is an equidigital number, since it uses as much as digits as its factorization.

109976443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 109976443 is about 10486.9653856585. The cubic root of 109976443 is about 479.1077797863.

The spelling of 109976443 in words is "one hundred nine million, nine hundred seventy-six thousand, four hundred forty-three".