33140345429 has 2 divisors, whose sum is σ = 33140345430. Its totient is φ = 33140345428.

The previous prime is 33140345393. The next prime is 33140345437. The reversal of 33140345429 is 92454304133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24358781329 + 8781564100 = 156073^2 + 93710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33140345429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33140345392 and 33140345401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33140345729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16570172714 + 16570172715.

It is an arithmetic number, because the mean of its divisors is an integer number (16570172715).

Almost surely, 2^33140345429 is an apocalyptic number.

It is an amenable number.

33140345429 is a deficient number, since it is larger than the sum of its proper divisors (1).

33140345429 is an equidigital number, since it uses as much as digits as its factorization.

33140345429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 33140345429 in words is "thirty-three billion, one hundred forty million, three hundred forty-five thousand, four hundred twenty-nine".