109734649 has 2 divisors, whose sum is σ = 109734650. Its totient is φ = 109734648.

The previous prime is 109734641. The next prime is 109734659. The reversal of 109734649 is 946437901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78854400 + 30880249 = 8880^2 + 5557^2 .

It is an emirp because it is prime and its reverse (946437901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109734649 - 2³ = 109734641 is a prime.

It is not a weakly prime, because it can be changed into another prime (109734641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54867324 + 54867325.

It is an arithmetic number, because the mean of its divisors is an integer number (54867325).

Almost surely, 2^109734649 is an apocalyptic number.

It is an amenable number.

109734649 is a deficient number, since it is larger than the sum of its proper divisors (1).

109734649 is an equidigital number, since it uses as much as digits as its factorization.

109734649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 109734649 is about 10475.4307310010. The cubic root of 109734649 is about 478.7564003262.

The spelling of 109734649 in words is "one hundred nine million, seven hundred thirty-four thousand, six hundred forty-nine".