130449992909 has 2 divisors, whose sum is σ = 130449992910. Its totient is φ = 130449992908.

The previous prime is 130449992899. The next prime is 130449992971. The reversal of 130449992909 is 909299944031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76827643684 + 53622349225 = 277178^2 + 231565^2 .

It is a cyclic number.

It is not a de Polignac number, because 130449992909 - 2²⁰ = 130448944333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130442992909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65224996454 + 65224996455.

It is an arithmetic number, because the mean of its divisors is an integer number (65224996455).

Almost surely, 2^130449992909 is an apocalyptic number.

It is an amenable number.

130449992909 is a deficient number, since it is larger than the sum of its proper divisors (1).

130449992909 is an equidigital number, since it uses as much as digits as its factorization.

130449992909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5668704, while the sum is 59.

The spelling of 130449992909 in words is "one hundred thirty billion, four hundred forty-nine million, nine hundred ninety-two thousand, nine hundred nine".