32396623729 has 2 divisors, whose sum is σ = 32396623730. Its totient is φ = 32396623728.

The previous prime is 32396623717. The next prime is 32396623769. The reversal of 32396623729 is 92732669323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20685055329 + 11711568400 = 143823^2 + 108220^2 .

It is a cyclic number.

It is not a de Polignac number, because 32396623729 - 2⁷ = 32396623601 is a prime.

It is not a weakly prime, because it can be changed into another prime (32396623769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16198311864 + 16198311865.

It is an arithmetic number, because the mean of its divisors is an integer number (16198311865).

Almost surely, 2^32396623729 is an apocalyptic number.

It is an amenable number.

32396623729 is a deficient number, since it is larger than the sum of its proper divisors (1).

32396623729 is an equidigital number, since it uses as much as digits as its factorization.

32396623729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 52.

The spelling of 32396623729 in words is "thirty-two billion, three hundred ninety-six million, six hundred twenty-three thousand, seven hundred twenty-nine".