109957049 has 2 divisors, whose sum is σ = 109957050. Its totient is φ = 109957048.

The previous prime is 109956947. The next prime is 109957051. The reversal of 109957049 is 940759901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107267449 + 2689600 = 10357^2 + 1640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109957049 is a prime.

Together with 109957051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109957069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54978524 + 54978525.

It is an arithmetic number, because the mean of its divisors is an integer number (54978525).

Almost surely, 2^109957049 is an apocalyptic number.

It is an amenable number.

109957049 is a deficient number, since it is larger than the sum of its proper divisors (1).

109957049 is an equidigital number, since it uses as much as digits as its factorization.

109957049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 109957049 is about 10486.0406731998. The cubic root of 109957049 is about 479.0796150804.

The spelling of 109957049 in words is "one hundred nine million, nine hundred fifty-seven thousand, forty-nine".