2130022409 has 2 divisors, whose sum is σ = 2130022410. Its totient is φ = 2130022408.

The previous prime is 2130022399. The next prime is 2130022439. The reversal of 2130022409 is 9042200312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1947015625 + 183006784 = 44125^2 + 13528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2130022409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2130022439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065011204 + 1065011205.

It is an arithmetic number, because the mean of its divisors is an integer number (1065011205).

Almost surely, 2^2130022409 is an apocalyptic number.

It is an amenable number.

2130022409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130022409 is an equidigital number, since it uses as much as digits as its factorization.

2130022409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2130022409 is about 46152.1658105012. The cubic root of 2130022409 is about 1286.6528633367.

The spelling of 2130022409 in words is "two billion, one hundred thirty million, twenty-two thousand, four hundred nine".