33868136371 has 2 divisors, whose sum is σ = 33868136372. Its totient is φ = 33868136370.

The previous prime is 33868136363. The next prime is 33868136381. The reversal of 33868136371 is 17363186833.

It is a weak prime.

It is an emirp because it is prime and its reverse (17363186833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33868136371 - 2³ = 33868136363 is a prime.

It is a super-2 number, since 2×33868136371² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33868136381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16934068185 + 16934068186.

It is an arithmetic number, because the mean of its divisors is an integer number (16934068186).

Almost surely, 2^33868136371 is an apocalyptic number.

33868136371 is a deficient number, since it is larger than the sum of its proper divisors (1).

33868136371 is an equidigital number, since it uses as much as digits as its factorization.

33868136371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 49.

The spelling of 33868136371 in words is "thirty-three billion, eight hundred sixty-eight million, one hundred thirty-six thousand, three hundred seventy-one".