402212334409 has 2 divisors, whose sum is σ = 402212334410. Its totient is φ = 402212334408.

The previous prime is 402212334397. The next prime is 402212334413. The reversal of 402212334409 is 904433212204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274520458809 + 127691875600 = 523947^2 + 357340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402212334409 is a prime.

It is not a weakly prime, because it can be changed into another prime (402212334109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201106167204 + 201106167205.

It is an arithmetic number, because the mean of its divisors is an integer number (201106167205).

Almost surely, 2^402212334409 is an apocalyptic number.

It is an amenable number.

402212334409 is a deficient number, since it is larger than the sum of its proper divisors (1).

402212334409 is an equidigital number, since it uses as much as digits as its factorization.

402212334409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 402212334409 in words is "four hundred two billion, two hundred twelve million, three hundred thirty-four thousand, four hundred nine".