4332721306997 has 2 divisors, whose sum is σ = 4332721306998. Its totient is φ = 4332721306996.

The previous prime is 4332721306973. The next prime is 4332721307017. The reversal of 4332721306997 is 7996031272334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2732511486961 + 1600209820036 = 1653031^2 + 1264994^2 .

It is a cyclic number.

It is not a de Polignac number, because 4332721306997 - 2⁶ = 4332721306933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4332721306897) 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, 2166360653498 + 2166360653499.

It is an arithmetic number, because the mean of its divisors is an integer number (2166360653499).

Almost surely, 2^{4332721306997} is an apocalyptic number.

It is an amenable number.

4332721306997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4332721306997 is an equidigital number, since it uses as much as digits as its factorization.

4332721306997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648, while the sum is 56.

The spelling of 4332721306997 in words is "four trillion, three hundred thirty-two billion, seven hundred twenty-one million, three hundred six thousand, nine hundred ninety-seven".