213302422409 has 2 divisors, whose sum is σ = 213302422410. Its totient is φ = 213302422408.

The previous prime is 213302422379. The next prime is 213302422471. The reversal of 213302422409 is 904224203312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125176562809 + 88125859600 = 353803^2 + 296860^2 .

It is a cyclic number.

It is not a de Polignac number, because 213302422409 - 2⁸ = 213302422153 is a prime.

It is not a weakly prime, because it can be changed into another prime (213302422609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106651211204 + 106651211205.

It is an arithmetic number, because the mean of its divisors is an integer number (106651211205).

Almost surely, 2^213302422409 is an apocalyptic number.

It is an amenable number.

213302422409 is a deficient number, since it is larger than the sum of its proper divisors (1).

213302422409 is an equidigital number, since it uses as much as digits as its factorization.

213302422409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 213302422409 in words is "two hundred thirteen billion, three hundred two million, four hundred twenty-two thousand, four hundred nine".