2104217955 has 48 divisors (see below), whose sum is σ = 4179764160. Its totient is φ = 959295744.

The previous prime is 2104217953. The next prime is 2104217963. The reversal of 2104217955 is 5597124012.

It is not a de Polignac number, because 2104217955 - 2¹ = 2104217953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2104217953) 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 47 ways as a sum of consecutive naturals, for example, 108541 + ... + 126449.

It is an arithmetic number, because the mean of its divisors is an integer number (87078420).

Almost surely, 2^2104217955 is an apocalyptic number.

2104217955 is a deficient number, since it is larger than the sum of its proper divisors (2075546205).

2104217955 is a wasteful number, since it uses less digits than its factorization.

2104217955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18300 (or 18297 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 2104217955 is about 45871.7555255955. The cubic root of 2104217955 is about 1281.4359606982.

The spelling of 2104217955 in words is "two billion, one hundred four million, two hundred seventeen thousand, nine hundred fifty-five".