32449317829 has 2 divisors, whose sum is σ = 32449317830. Its totient is φ = 32449317828.

The previous prime is 32449317811. The next prime is 32449317839. The reversal of 32449317829 is 92871394423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31994476900 + 454840929 = 178870^2 + 21327^2 .

It is a cyclic number.

It is not a de Polignac number, because 32449317829 - 2²³ = 32440929221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32449317839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16224658914 + 16224658915.

It is an arithmetic number, because the mean of its divisors is an integer number (16224658915).

Almost surely, 2^32449317829 is an apocalyptic number.

It is an amenable number.

32449317829 is a deficient number, since it is larger than the sum of its proper divisors (1).

32449317829 is an equidigital number, since it uses as much as digits as its factorization.

32449317829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 52.

The spelling of 32449317829 in words is "thirty-two billion, four hundred forty-nine million, three hundred seventeen thousand, eight hundred twenty-nine".