33420145267 has 2 divisors, whose sum is σ = 33420145268. Its totient is φ = 33420145266.

The previous prime is 33420145259. The next prime is 33420145277. The reversal of 33420145267 is 76254102433.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33420145267 - 2³ = 33420145259 is a prime.

It is a super-2 number, since 2×33420145267² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33420145207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16710072633 + 16710072634.

It is an arithmetic number, because the mean of its divisors is an integer number (16710072634).

Almost surely, 2^33420145267 is an apocalyptic number.

33420145267 is a deficient number, since it is larger than the sum of its proper divisors (1).

33420145267 is an equidigital number, since it uses as much as digits as its factorization.

33420145267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 33420145267 in words is "thirty-three billion, four hundred twenty million, one hundred forty-five thousand, two hundred sixty-seven".