2104401091 has 4 divisors (see below), whose sum is σ = 2266278112. Its totient is φ = 1942524072.

The previous prime is 2104401073. The next prime is 2104401109. The reversal of 2104401091 is 1901044012.

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 (2104401073) and next prime (2104401109).

It is a cyclic number.

It is not a de Polignac number, because 2104401091 - 2¹⁵ = 2104368323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104401391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80938491 + ... + 80938516.

It is an arithmetic number, because the mean of its divisors is an integer number (566569528).

Almost surely, 2^2104401091 is an apocalyptic number.

2104401091 is a deficient number, since it is larger than the sum of its proper divisors (161877021).

2104401091 is a wasteful number, since it uses less digits than its factorization.

2104401091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161877020.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2104401091 is about 45873.7516560396. The cubic root of 2104401091 is about 1281.4731352770.

The spelling of 2104401091 in words is "two billion, one hundred four million, four hundred one thousand, ninety-one".