2104011232009 has 2 divisors, whose sum is σ = 2104011232010. Its totient is φ = 2104011232008.

The previous prime is 2104011231989. The next prime is 2104011232061. The reversal of 2104011232009 is 9002321104012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1972058490000 + 131952742009 = 1404300^2 + 363253^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104011232009 - 2¹³ = 2104011223817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104011232409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052005616004 + 1052005616005.

It is an arithmetic number, because the mean of its divisors is an integer number (1052005616005).

Almost surely, 2^{2104011232009} is an apocalyptic number.

It is an amenable number.

2104011232009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104011232009 is an equidigital number, since it uses as much as digits as its factorization.

2104011232009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 2104011232009 in words is "two trillion, one hundred four billion, eleven million, two hundred thirty-two thousand, nine".