33139006847 has 2 divisors, whose sum is σ = 33139006848. Its totient is φ = 33139006846.

The previous prime is 33139006841. The next prime is 33139006877. The reversal of 33139006847 is 74860093133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33139006847 - 2⁶ = 33139006783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33139006798 and 33139006807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33139006841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16569503423 + 16569503424.

It is an arithmetic number, because the mean of its divisors is an integer number (16569503424).

Almost surely, 2^33139006847 is an apocalyptic number.

33139006847 is a deficient number, since it is larger than the sum of its proper divisors (1).

33139006847 is an equidigital number, since it uses as much as digits as its factorization.

33139006847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 33139006847 in words is "thirty-three billion, one hundred thirty-nine million, six thousand, eight hundred forty-seven".