431224520001643 has 8 divisors (see below), whose sum is σ = 441806536991808. Its totient is φ = 420701129145024.

The previous prime is 431224520001623. The next prime is 431224520001659. The reversal of 431224520001643 is 346100025422134.

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 431224520001643 - 2²¹ = 431224517904491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431224520001623) 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, 14656518496 + ... + 14656547917.

It is an arithmetic number, because the mean of its divisors is an integer number (55225817123976).

Almost surely, 2^{431224520001643} is an apocalyptic number.

431224520001643 is a deficient number, since it is larger than the sum of its proper divisors (10582016990165).

431224520001643 is a wasteful number, since it uses less digits than its factorization.

431224520001643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29313066773.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 431224520001643 its reverse (346100025422134), we get a palindrome (777324545423777).

The spelling of 431224520001643 in words is "four hundred thirty-one trillion, two hundred twenty-four billion, five hundred twenty million, one thousand, six hundred forty-three".