2104858065 has 8 divisors (see below), whose sum is σ = 3367772928. Its totient is φ = 1122590960.

The previous prime is 2104858051. The next prime is 2104858069. The reversal of 2104858065 is 5608584012.

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

It is not a de Polignac number, because 2104858065 - 2⁵ = 2104858033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2104858069) 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, 70161921 + ... + 70161950.

It is an arithmetic number, because the mean of its divisors is an integer number (420971616).

Almost surely, 2^2104858065 is an apocalyptic number.

It is an amenable number.

2104858065 is a deficient number, since it is larger than the sum of its proper divisors (1262914863).

2104858065 is a wasteful number, since it uses less digits than its factorization.

2104858065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140323879.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 2104858065 is about 45878.7321642610. The cubic root of 2104858065 is about 1281.5658865312.

The spelling of 2104858065 in words is "two billion, one hundred four million, eight hundred fifty-eight thousand, sixty-five".