2104100591 has 8 divisors (see below), whose sum is σ = 2242628064. Its totient is φ = 1967212800.

The previous prime is 2104100543. The next prime is 2104100599. The reversal of 2104100591 is 1950014012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2104100591 - 2¹⁸ = 2103838447 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 (2104100599) 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 7 ways as a sum of consecutive naturals, for example, 407270 + ... + 412403.

It is an arithmetic number, because the mean of its divisors is an integer number (280328508).

Almost surely, 2^2104100591 is an apocalyptic number.

2104100591 is a deficient number, since it is larger than the sum of its proper divisors (138527473).

2104100591 is a wasteful number, since it uses less digits than its factorization.

2104100591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819841.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 2104100591 is about 45870.4762456201. The cubic root of 2104100591 is about 1281.4121359726.

The spelling of 2104100591 in words is "two billion, one hundred four million, one hundred thousand, five hundred ninety-one".