431053644217 has 8 divisors (see below), whose sum is σ = 497236781376. Its totient is φ = 366021518352.

The previous prime is 431053644199. The next prime is 431053644221. The reversal of 431053644217 is 712446350134.

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

It is a de Polignac number, because none of the positive numbers 2^k-431053644217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431053644217.

It is not an unprimeable number, because it can be changed into a prime (431053644317) 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, 287752018 + ... + 287753515.

It is an arithmetic number, because the mean of its divisors is an integer number (62154597672).

Almost surely, 2^431053644217 is an apocalyptic number.

It is an amenable number.

431053644217 is a deficient number, since it is larger than the sum of its proper divisors (66183137159).

431053644217 is a wasteful number, since it uses less digits than its factorization.

431053644217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575505647.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 431053644217 in words is "four hundred thirty-one billion, fifty-three million, six hundred forty-four thousand, two hundred seventeen".