109966403 has 2 divisors, whose sum is σ = 109966404. Its totient is φ = 109966402.

The previous prime is 109966399. The next prime is 109966457. The reversal of 109966403 is 304669901.

It is a weak prime.

It is an emirp because it is prime and its reverse (304669901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109966403 - 2² = 109966399 is a prime.

It is not a weakly prime, because it can be changed into another prime (109969403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54983201 + 54983202.

It is an arithmetic number, because the mean of its divisors is an integer number (54983202).

Almost surely, 2^109966403 is an apocalyptic number.

109966403 is a deficient number, since it is larger than the sum of its proper divisors (1).

109966403 is an equidigital number, since it uses as much as digits as its factorization.

109966403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 109966403 is about 10486.4866852536. The cubic root of 109966403 is about 479.0931997291.

The spelling of 109966403 in words is "one hundred nine million, nine hundred sixty-six thousand, four hundred three".