33427136399 has 2 divisors, whose sum is σ = 33427136400. Its totient is φ = 33427136398.

The previous prime is 33427136387. The next prime is 33427136401. The reversal of 33427136399 is 99363172433.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33427136399 - 2³² = 29132169103 is a prime.

It is a super-2 number, since 2×33427136399² (a number of 22 digits) contains 22 as substring.

Together with 33427136401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33427136339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16713568199 + 16713568200.

It is an arithmetic number, because the mean of its divisors is an integer number (16713568200).

Almost surely, 2^33427136399 is an apocalyptic number.

33427136399 is a deficient number, since it is larger than the sum of its proper divisors (1).

33427136399 is an equidigital number, since it uses as much as digits as its factorization.

33427136399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 50.

The spelling of 33427136399 in words is "thirty-three billion, four hundred twenty-seven million, one hundred thirty-six thousand, three hundred ninety-nine".