432043334323621 has 2 divisors, whose sum is σ = 432043334323622. Its totient is φ = 432043334323620.

The previous prime is 432043334323583. The next prime is 432043334323633. The reversal of 432043334323621 is 126323433340234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247675547519521 + 184367786804100 = 15737711^2 + 13578210^2 .

It is a cyclic number.

It is not a de Polignac number, because 432043334323621 - 2¹⁷ = 432043334192549 is a prime.

It is a super-2 number, since 2×432043334323621² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432043334323651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216021667161810 + 216021667161811.

It is an arithmetic number, because the mean of its divisors is an integer number (216021667161811).

Almost surely, 2^{432043334323621} is an apocalyptic number.

It is an amenable number.

432043334323621 is a deficient number, since it is larger than the sum of its proper divisors (1).

432043334323621 is an equidigital number, since it uses as much as digits as its factorization.

432043334323621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 43.

Adding to 432043334323621 its reverse (126323433340234), we get a palindrome (558366767663855).

The spelling of 432043334323621 in words is "four hundred thirty-two trillion, forty-three billion, three hundred thirty-four million, three hundred twenty-three thousand, six hundred twenty-one".