109983949 has 2 divisors, whose sum is σ = 109983950. Its totient is φ = 109983948.

The previous prime is 109983919. The next prime is 109983959. The reversal of 109983949 is 949389901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93026025 + 16957924 = 9645^2 + 4118^2 .

It is a cyclic number.

It is not a de Polignac number, because 109983949 - 2⁹ = 109983437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109983896 and 109983905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109983919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54991974 + 54991975.

It is an arithmetic number, because the mean of its divisors is an integer number (54991975).

Almost surely, 2^109983949 is an apocalyptic number.

It is an amenable number.

109983949 is a deficient number, since it is larger than the sum of its proper divisors (1).

109983949 is an equidigital number, since it uses as much as digits as its factorization.

109983949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 52.

The square root of 109983949 is about 10487.3232523843. The cubic root of 109983949 is about 479.1186793968.

The spelling of 109983949 in words is "one hundred nine million, nine hundred eighty-three thousand, nine hundred forty-nine".