33405144043 has 2 divisors, whose sum is σ = 33405144044. Its totient is φ = 33405144042.

The previous prime is 33405144037. The next prime is 33405144151. The reversal of 33405144043 is 34044150433.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33405144043 - 2⁵ = 33405144011 is a prime.

It is a super-2 number, since 2×33405144043² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33405143996 and 33405144014.

It is not a weakly prime, because it can be changed into another prime (33405144943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16702572021 + 16702572022.

It is an arithmetic number, because the mean of its divisors is an integer number (16702572022).

Almost surely, 2^33405144043 is an apocalyptic number.

33405144043 is a deficient number, since it is larger than the sum of its proper divisors (1).

33405144043 is an equidigital number, since it uses as much as digits as its factorization.

33405144043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 33405144043 its reverse (34044150433), we get a palindrome (67449294476).

The spelling of 33405144043 in words is "thirty-three billion, four hundred five million, one hundred forty-four thousand, forty-three".