33140404249 has 2 divisors, whose sum is σ = 33140404250. Its totient is φ = 33140404248.

The previous prime is 33140404127. The next prime is 33140404273. The reversal of 33140404249 is 94240404133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33062876224 + 77528025 = 181832^2 + 8805^2 .

It is an emirp because it is prime and its reverse (94240404133) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33140404249 is a prime.

It is not a weakly prime, because it can be changed into another prime (33140404279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16570202124 + 16570202125.

It is an arithmetic number, because the mean of its divisors is an integer number (16570202125).

Almost surely, 2^33140404249 is an apocalyptic number.

It is an amenable number.

33140404249 is a deficient number, since it is larger than the sum of its proper divisors (1).

33140404249 is an equidigital number, since it uses as much as digits as its factorization.

33140404249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 33140404249 in words is "thirty-three billion, one hundred forty million, four hundred four thousand, two hundred forty-nine".