2130761207009 has 2 divisors, whose sum is σ = 2130761207010. Its totient is φ = 2130761207008.

The previous prime is 2130761206979. The next prime is 2130761207083. The reversal of 2130761207009 is 9007021670312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2086499358784 + 44261848225 = 1444472^2 + 210385^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130761207009 - 2⁸ = 2130761206753 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130761207089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065380603504 + 1065380603505.

It is an arithmetic number, because the mean of its divisors is an integer number (1065380603505).

Almost surely, 2^{2130761207009} is an apocalyptic number.

It is an amenable number.

2130761207009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130761207009 is an equidigital number, since it uses as much as digits as its factorization.

2130761207009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The spelling of 2130761207009 in words is "two trillion, one hundred thirty billion, seven hundred sixty-one million, two hundred seven thousand, nine".