32871857069 has 2 divisors, whose sum is σ = 32871857070. Its totient is φ = 32871857068.

The previous prime is 32871857047. The next prime is 32871857147. The reversal of 32871857069 is 96075817823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18560520169 + 14311336900 = 136237^2 + 119630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32871857069 is a prime.

It is a super-2 number, since 2×32871857069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32871857569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16435928534 + 16435928535.

It is an arithmetic number, because the mean of its divisors is an integer number (16435928535).

Almost surely, 2^32871857069 is an apocalyptic number.

It is an amenable number.

32871857069 is a deficient number, since it is larger than the sum of its proper divisors (1).

32871857069 is an equidigital number, since it uses as much as digits as its factorization.

32871857069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 32871857069 in words is "thirty-two billion, eight hundred seventy-one million, eight hundred fifty-seven thousand, sixty-nine".