32928671389 has 2 divisors, whose sum is σ = 32928671390. Its totient is φ = 32928671388.

The previous prime is 32928671371. The next prime is 32928671453. The reversal of 32928671389 is 98317682923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20776916164 + 12151755225 = 144142^2 + 110235^2 .

It is an emirp because it is prime and its reverse (98317682923) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32928671389 - 2¹³ = 32928663197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32928671309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16464335694 + 16464335695.

It is an arithmetic number, because the mean of its divisors is an integer number (16464335695).

Almost surely, 2^32928671389 is an apocalyptic number.

It is an amenable number.

32928671389 is a deficient number, since it is larger than the sum of its proper divisors (1).

32928671389 is an equidigital number, since it uses as much as digits as its factorization.

32928671389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 58.

The spelling of 32928671389 in words is "thirty-two billion, nine hundred twenty-eight million, six hundred seventy-one thousand, three hundred eighty-nine".