109563849 has 12 divisors (see below), whose sum is σ = 162119412. Its totient is φ = 71260800.

The previous prime is 109563833. The next prime is 109563851. The reversal of 109563849 is 948365901.

It is a happy number.

109563849 is a `hidden beast` number, since 1 + 0 + 9 + 5 + 638 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 50765625 + 58798224 = 7125^2 + 7668^2 .

It is not a de Polignac number, because 109563849 - 2⁴ = 109563833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109563829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148092 + ... + 148829.

It is an arithmetic number, because the mean of its divisors is an integer number (13509951).

Almost surely, 2^109563849 is an apocalyptic number.

It is an amenable number.

109563849 is a deficient number, since it is larger than the sum of its proper divisors (52555563).

109563849 is a wasteful number, since it uses less digits than its factorization.

109563849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296968 (or 296965 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 109563849 is about 10467.2751468565. The cubic root of 109563849 is about 478.5078794443.

The spelling of 109563849 in words is "one hundred nine million, five hundred sixty-three thousand, eight hundred forty-nine".