1414009991 has 2 divisors, whose sum is σ = 1414009992. Its totient is φ = 1414009990.

The previous prime is 1414009967. The next prime is 1414010023. The reversal of 1414009991 is 1999004141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1414009991 - 2³⁰ = 340268167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1414009921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707004995 + 707004996.

It is an arithmetic number, because the mean of its divisors is an integer number (707004996).

Almost surely, 2^1414009991 is an apocalyptic number.

1414009991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1414009991 is an equidigital number, since it uses as much as digits as its factorization.

1414009991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 1414009991 is about 37603.3242014586. The cubic root of 1414009991 is about 1122.4081874896.

The spelling of 1414009991 in words is "one billion, four hundred fourteen million, nine thousand, nine hundred ninety-one".