109749911 has 2 divisors, whose sum is σ = 109749912. Its totient is φ = 109749910.

The previous prime is 109749877. The next prime is 109749923. The reversal of 109749911 is 119947901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109749911 - 2⁶ = 109749847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109749961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54874955 + 54874956.

It is an arithmetic number, because the mean of its divisors is an integer number (54874956).

Almost surely, 2^109749911 is an apocalyptic number.

109749911 is a deficient number, since it is larger than the sum of its proper divisors (1).

109749911 is an equidigital number, since it uses as much as digits as its factorization.

109749911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 109749911 is about 10476.1591721394. The cubic root of 109749911 is about 478.7785945967.

The spelling of 109749911 in words is "one hundred nine million, seven hundred forty-nine thousand, nine hundred eleven".