213420323210009 has 2 divisors, whose sum is σ = 213420323210010. Its totient is φ = 213420323210008.

The previous prime is 213420323209997. The next prime is 213420323210023. The reversal of 213420323210009 is 900012323024312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193912448310025 + 19507874899984 = 13925245^2 + 4416772^2 .

It is a cyclic number.

It is not a de Polignac number, because 213420323210009 - 2¹⁶ = 213420323144473 is a prime.

It is not a weakly prime, because it can be changed into another prime (213420323210069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106710161605004 + 106710161605005.

It is an arithmetic number, because the mean of its divisors is an integer number (106710161605005).

Almost surely, 2^{213420323210009} is an apocalyptic number.

It is an amenable number.

213420323210009 is a deficient number, since it is larger than the sum of its proper divisors (1).

213420323210009 is an equidigital number, since it uses as much as digits as its factorization.

213420323210009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 213420323210009 in words is "two hundred thirteen trillion, four hundred twenty billion, three hundred twenty-three million, two hundred ten thousand, nine".