109014491 has 2 divisors, whose sum is σ = 109014492. Its totient is φ = 109014490.

The previous prime is 109014487. The next prime is 109014511. The reversal of 109014491 is 194410901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109014491 - 2² = 109014487 is a prime.

It is not a weakly prime, because it can be changed into another prime (109014431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54507245 + 54507246.

It is an arithmetic number, because the mean of its divisors is an integer number (54507246).

Almost surely, 2^109014491 is an apocalyptic number.

109014491 is a deficient number, since it is larger than the sum of its proper divisors (1).

109014491 is an equidigital number, since it uses as much as digits as its factorization.

109014491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 109014491 is about 10441.0004788813. Note that the first 3 decimals coincide. The cubic root of 109014491 is about 477.7067857963.

The spelling of 109014491 in words is "one hundred nine million, fourteen thousand, four hundred ninety-one".