33868442453 has 2 divisors, whose sum is σ = 33868442454. Its totient is φ = 33868442452.

The previous prime is 33868442437. The next prime is 33868442459. The reversal of 33868442453 is 35424486833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23802935524 + 10065506929 = 154282^2 + 100327^2 .

It is an emirp because it is prime and its reverse (35424486833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33868442453 - 2⁴ = 33868442437 is a prime.

It is a super-2 number, since 2×33868442453² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33868442459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16934221226 + 16934221227.

It is an arithmetic number, because the mean of its divisors is an integer number (16934221227).

Almost surely, 2^33868442453 is an apocalyptic number.

It is an amenable number.

33868442453 is a deficient number, since it is larger than the sum of its proper divisors (1).

33868442453 is an equidigital number, since it uses as much as digits as its factorization.

33868442453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6635520, while the sum is 50.

The spelling of 33868442453 in words is "thirty-three billion, eight hundred sixty-eight million, four hundred forty-two thousand, four hundred fifty-three".