32688030649 has 2 divisors, whose sum is σ = 32688030650. Its totient is φ = 32688030648.

The previous prime is 32688030589. The next prime is 32688030689. The reversal of 32688030649 is 94603088623.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22050171049 + 10637859600 = 148493^2 + 103140^2 .

It is a cyclic number.

It is not a de Polignac number, because 32688030649 - 2¹⁷ = 32687899577 is a prime.

It is a super-2 number, since 2×32688030649² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32688030689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16344015324 + 16344015325.

It is an arithmetic number, because the mean of its divisors is an integer number (16344015325).

Almost surely, 2^32688030649 is an apocalyptic number.

It is an amenable number.

32688030649 is a deficient number, since it is larger than the sum of its proper divisors (1).

32688030649 is an equidigital number, since it uses as much as digits as its factorization.

32688030649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 32688030649 in words is "thirty-two billion, six hundred eighty-eight million, thirty thousand, six hundred forty-nine".