33400342453409 has 2 divisors, whose sum is σ = 33400342453410. Its totient is φ = 33400342453408.

The previous prime is 33400342453403. The next prime is 33400342453411. The reversal of 33400342453409 is 90435424300433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33397673181184 + 2669272225 = 5779072^2 + 51665^2 .

It is a cyclic number.

It is not a de Polignac number, because 33400342453409 - 2⁴ = 33400342453393 is a prime.

It is a super-2 number, since 2×33400342453409² (a number of 28 digits) contains 22 as substring.

Together with 33400342453411, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33400342453409.

It is not a weakly prime, because it can be changed into another prime (33400342453403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16700171226704 + 16700171226705.

It is an arithmetic number, because the mean of its divisors is an integer number (16700171226705).

Almost surely, 2^{33400342453409} is an apocalyptic number.

It is an amenable number.

33400342453409 is a deficient number, since it is larger than the sum of its proper divisors (1).

33400342453409 is an equidigital number, since it uses as much as digits as its factorization.

33400342453409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 44.

The spelling of 33400342453409 in words is "thirty-three trillion, four hundred billion, three hundred forty-two million, four hundred fifty-three thousand, four hundred nine".