109006949 has 2 divisors, whose sum is σ = 109006950. Its totient is φ = 109006948.

The previous prime is 109006903. The next prime is 109006957. The reversal of 109006949 is 949600901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107785924 + 1221025 = 10382^2 + 1105^2 .

It is an emirp because it is prime and its reverse (949600901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109006949 - 2¹² = 109002853 is a prime.

It is equal to p_6249548 and since 109006949 and 6249548 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109006049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54503474 + 54503475.

It is an arithmetic number, because the mean of its divisors is an integer number (54503475).

Almost surely, 2^109006949 is an apocalyptic number.

It is an amenable number.

109006949 is a deficient number, since it is larger than the sum of its proper divisors (1).

109006949 is an equidigital number, since it uses as much as digits as its factorization.

109006949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 109006949 is about 10440.6393003494. The cubic root of 109006949 is about 477.6957690724.

The spelling of 109006949 in words is "one hundred nine million, six thousand, nine hundred forty-nine".