32993701649 has 2 divisors, whose sum is σ = 32993701650. Its totient is φ = 32993701648.

The previous prime is 32993701639. The next prime is 32993701673. The reversal of 32993701649 is 94610739923.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26571282049 + 6422419600 = 163007^2 + 80140^2 .

It is a cyclic number.

It is not a de Polignac number, because 32993701649 - 2¹² = 32993697553 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 32993701649.

It is not a weakly prime, because it can be changed into another prime (32993701619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16496850824 + 16496850825.

It is an arithmetic number, because the mean of its divisors is an integer number (16496850825).

Almost surely, 2^32993701649 is an apocalyptic number.

It is an amenable number.

32993701649 is a deficient number, since it is larger than the sum of its proper divisors (1).

32993701649 is an equidigital number, since it uses as much as digits as its factorization.

32993701649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2204496, while the sum is 53.

The spelling of 32993701649 in words is "thirty-two billion, nine hundred ninety-three million, seven hundred one thousand, six hundred forty-nine".