2006632609 has 2 divisors, whose sum is σ = 2006632610. Its totient is φ = 2006632608.

The previous prime is 2006632591. The next prime is 2006632681. The reversal of 2006632609 is 9062366002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1201662225 + 804970384 = 34665^2 + 28372^2 .

It is a cyclic number.

It is not a de Polignac number, because 2006632609 - 2¹⁷ = 2006501537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2006632909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003316304 + 1003316305.

It is an arithmetic number, because the mean of its divisors is an integer number (1003316305).

Almost surely, 2^2006632609 is an apocalyptic number.

It is an amenable number.

2006632609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006632609 is an equidigital number, since it uses as much as digits as its factorization.

2006632609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 2006632609 is about 44795.4529946958. The cubic root of 2006632609 is about 1261.3122737349.

The spelling of 2006632609 in words is "two billion, six million, six hundred thirty-two thousand, six hundred nine".