109932491 has 2 divisors, whose sum is σ = 109932492. Its totient is φ = 109932490.

The previous prime is 109932469. The next prime is 109932497. The reversal of 109932491 is 194239901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109932491 is a prime.

It is not a weakly prime, because it can be changed into another prime (109932497) 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, 54966245 + 54966246.

It is an arithmetic number, because the mean of its divisors is an integer number (54966246).

Almost surely, 2^109932491 is an apocalyptic number.

109932491 is a deficient number, since it is larger than the sum of its proper divisors (1).

109932491 is an equidigital number, since it uses as much as digits as its factorization.

109932491 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 109932491 is about 10484.8696224607. The cubic root of 109932491 is about 479.0439462646.

The spelling of 109932491 in words is "one hundred nine million, nine hundred thirty-two thousand, four hundred ninety-one".