2104465651 has 4 divisors (see below), whose sum is σ = 2104780912. Its totient is φ = 2104150392.

The previous prime is 2104465639. The next prime is 2104465679. The reversal of 2104465651 is 1565644012.

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

It is a cyclic number.

It is not a de Polignac number, because 2104465651 - 2⁵ = 2104465619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104465691) 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, 147396 + ... + 161041.

It is an arithmetic number, because the mean of its divisors is an integer number (526195228).

Almost surely, 2^2104465651 is an apocalyptic number.

2104465651 is a deficient number, since it is larger than the sum of its proper divisors (315261).

2104465651 is an equidigital number, since it uses as much as digits as its factorization.

2104465651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315260.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2104465651 is about 45874.4553210172. The cubic root of 2104465651 is about 1281.4862397274.

The spelling of 2104465651 in words is "two billion, one hundred four million, four hundred sixty-five thousand, six hundred fifty-one".