432453821250721 has 2 divisors, whose sum is σ = 432453821250722. Its totient is φ = 432453821250720.

The previous prime is 432453821250691. The next prime is 432453821250761. The reversal of 432453821250721 is 127052128354234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432413725593600 + 40095657121 = 20794560^2 + 200239^2 .

It is a cyclic number.

It is not a de Polignac number, because 432453821250721 - 2²¹ = 432453819153569 is a prime.

It is not a weakly prime, because it can be changed into another prime (432453821250761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216226910625360 + 216226910625361.

It is an arithmetic number, because the mean of its divisors is an integer number (216226910625361).

Almost surely, 2^{432453821250721} is an apocalyptic number.

It is an amenable number.

432453821250721 is a deficient number, since it is larger than the sum of its proper divisors (1).

432453821250721 is an equidigital number, since it uses as much as digits as its factorization.

432453821250721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 432453821250721 in words is "four hundred thirty-two trillion, four hundred fifty-three billion, eight hundred twenty-one million, two hundred fifty thousand, seven hundred twenty-one".