430919447946 has 64 divisors (see below), whose sum is σ = 936744238080. Its totient is φ = 131361592320.

The previous prime is 430919447899. The next prime is 430919447951. The reversal of 430919447946 is 649744919034.

It is a self number, because there is not a number n which added to its sum of digits gives 430919447946.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 23956276 + ... + 23974256.

It is an arithmetic number, because the mean of its divisors is an integer number (14636628720).

Almost surely, 2^430919447946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 430919447946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468372119040).

430919447946 is an abundant number, since it is smaller than the sum of its proper divisors (505824790134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

430919447946 is a wasteful number, since it uses less digits than its factorization.

430919447946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20831.

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 430919447946 in words is "four hundred thirty billion, nine hundred nineteen million, four hundred forty-seven thousand, nine hundred forty-six".