2002132312009 has 2 divisors, whose sum is σ = 2002132312010. Its totient is φ = 2002132312008.

The previous prime is 2002132311983. The next prime is 2002132312109. The reversal of 2002132312009 is 9002132312002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1087125278409 + 915007033600 = 1042653^2 + 956560^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002132312009 - 2¹⁵ = 2002132279241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002132312109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001066156004 + 1001066156005.

It is an arithmetic number, because the mean of its divisors is an integer number (1001066156005).

Almost surely, 2^{2002132312009} is an apocalyptic number.

It is an amenable number.

2002132312009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002132312009 is an equidigital number, since it uses as much as digits as its factorization.

2002132312009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 2002132312009 in words is "two trillion, two billion, one hundred thirty-two million, three hundred twelve thousand, nine".