33400443019 has 2 divisors, whose sum is σ = 33400443020. Its totient is φ = 33400443018.

The previous prime is 33400443017. The next prime is 33400443127. The reversal of 33400443019 is 91034400433.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33400443019 - 2¹ = 33400443017 is a prime.

It is a super-2 number, since 2×33400443019² (a number of 22 digits) contains 22 as substring.

Together with 33400443017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (33400443017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16700221509 + 16700221510.

It is an arithmetic number, because the mean of its divisors is an integer number (16700221510).

Almost surely, 2^33400443019 is an apocalyptic number.

33400443019 is a deficient number, since it is larger than the sum of its proper divisors (1).

33400443019 is an equidigital number, since it uses as much as digits as its factorization.

33400443019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 33400443019 in words is "thirty-three billion, four hundred million, four hundred forty-three thousand, nineteen".