109671349 has 2 divisors, whose sum is σ = 109671350. Its totient is φ = 109671348.

The previous prime is 109671347. The next prime is 109671379. The reversal of 109671349 is 943176901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64915249 + 44756100 = 8057^2 + 6690^2 .

It is a cyclic number.

It is not a de Polignac number, because 109671349 - 2¹ = 109671347 is a prime.

Together with 109671347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109671347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54835674 + 54835675.

It is an arithmetic number, because the mean of its divisors is an integer number (54835675).

Almost surely, 2^109671349 is an apocalyptic number.

It is an amenable number.

109671349 is a deficient number, since it is larger than the sum of its proper divisors (1).

109671349 is an equidigital number, since it uses as much as digits as its factorization.

109671349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 109671349 is about 10472.4089396853. The cubic root of 109671349 is about 478.6643263719.

The spelling of 109671349 in words is "one hundred nine million, six hundred seventy-one thousand, three hundred forty-nine".