2104768009 has 2 divisors, whose sum is σ = 2104768010. Its totient is φ = 2104768008.

The previous prime is 2104767991. The next prime is 2104768013. The reversal of 2104768009 is 9008674012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1462297600 + 642470409 = 38240^2 + 25347^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104768009 - 2²³ = 2096379401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104768049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052384004 + 1052384005.

It is an arithmetic number, because the mean of its divisors is an integer number (1052384005).

Almost surely, 2^2104768009 is an apocalyptic number.

It is an amenable number.

2104768009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104768009 is an equidigital number, since it uses as much as digits as its factorization.

2104768009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2104768009 is about 45877.7506968247. The cubic root of 2104768009 is about 1281.5476090765.

The spelling of 2104768009 in words is "two billion, one hundred four million, seven hundred sixty-eight thousand, nine".