33142143049 has 2 divisors, whose sum is σ = 33142143050. Its totient is φ = 33142143048.

The previous prime is 33142143019. The next prime is 33142143071. The reversal of 33142143049 is 94034124133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33122180025 + 19963024 = 181995^2 + 4468^2 .

It is a cyclic number.

It is not a de Polignac number, because 33142143049 - 2²³ = 33133754441 is a prime.

It is not a weakly prime, because it can be changed into another prime (33142143019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16571071524 + 16571071525.

It is an arithmetic number, because the mean of its divisors is an integer number (16571071525).

Almost surely, 2^33142143049 is an apocalyptic number.

It is an amenable number.

33142143049 is a deficient number, since it is larger than the sum of its proper divisors (1).

33142143049 is an equidigital number, since it uses as much as digits as its factorization.

33142143049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 33142143049 in words is "thirty-three billion, one hundred forty-two million, one hundred forty-three thousand, forty-nine".