414109991 has 4 divisors (see below), whose sum is σ = 419099352. Its totient is φ = 409120632.

The previous prime is 414109979. The next prime is 414110003. The reversal of 414109991 is 199901414.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (414109979) and next prime (414110003).

It is a cyclic number.

It is not a de Polignac number, because 414109991 - 2¹⁴ = 414093607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (414109901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2494556 + ... + 2494721.

It is an arithmetic number, because the mean of its divisors is an integer number (104774838).

Almost surely, 2^414109991 is an apocalyptic number.

414109991 is a deficient number, since it is larger than the sum of its proper divisors (4989361).

414109991 is an equidigital number, since it uses as much as digits as its factorization.

414109991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989360.

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

The square root of 414109991 is about 20349.6926512417. The cubic root of 414109991 is about 745.3699893371.

The spelling of 414109991 in words is "four hundred fourteen million, one hundred nine thousand, nine hundred ninety-one".