33139259273 has 2 divisors, whose sum is σ = 33139259274. Its totient is φ = 33139259272.

The previous prime is 33139259239. The next prime is 33139259287. The reversal of 33139259273 is 37295293133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19284321424 + 13854937849 = 138868^2 + 117707^2 .

It is a cyclic number.

It is not a de Polignac number, because 33139259273 - 2¹⁰ = 33139258249 is a prime.

It is not a weakly prime, because it can be changed into another prime (33139259473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16569629636 + 16569629637.

It is an arithmetic number, because the mean of its divisors is an integer number (16569629637).

Almost surely, 2^33139259273 is an apocalyptic number.

It is an amenable number.

33139259273 is a deficient number, since it is larger than the sum of its proper divisors (1).

33139259273 is an equidigital number, since it uses as much as digits as its factorization.

33139259273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 47.

The spelling of 33139259273 in words is "thirty-three billion, one hundred thirty-nine million, two hundred fifty-nine thousand, two hundred seventy-three".