432766421 has 2 divisors, whose sum is σ = 432766422. Its totient is φ = 432766420.

The previous prime is 432766403. The next prime is 432766447. The reversal of 432766421 is 124667234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 391485796 + 41280625 = 19786^2 + 6425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432766421 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432766471) 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, 216383210 + 216383211.

It is an arithmetic number, because the mean of its divisors is an integer number (216383211).

Almost surely, 2^432766421 is an apocalyptic number.

It is an amenable number.

432766421 is a deficient number, since it is larger than the sum of its proper divisors (1).

432766421 is an equidigital number, since it uses as much as digits as its factorization.

432766421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

The square root of 432766421 is about 20803.0387443758. The cubic root of 432766421 is about 756.3994167260.

The spelling of 432766421 in words is "four hundred thirty-two million, seven hundred sixty-six thousand, four hundred twenty-one".