432920021869 has 8 divisors (see below), whose sum is σ = 433964195000. Its totient is φ = 431876054016.

The previous prime is 432920021839. The next prime is 432920021939. The reversal of 432920021869 is 968120029234.

It can be written as a sum of positive squares in 4 ways, for example, as 7235543844 + 425684478025 = 85062^2 + 652445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 432920021869 - 2⁹ = 432920021357 is a prime.

It is a super-2 number, since 2×432920021869² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432920021839) 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 in 7 ways as a sum of consecutive naturals, for example, 4698757 + ... + 4790005.

It is an arithmetic number, because the mean of its divisors is an integer number (54245524375).

Almost surely, 2^432920021869 is an apocalyptic number.

It is an amenable number.

432920021869 is a deficient number, since it is larger than the sum of its proper divisors (1044173131).

432920021869 is a wasteful number, since it uses less digits than its factorization.

432920021869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102639.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 432920021869 in words is "four hundred thirty-two billion, nine hundred twenty million, twenty-one thousand, eight hundred sixty-nine".