430556990641 has 4 divisors (see below), whose sum is σ = 430591633252. Its totient is φ = 430522348032.

The previous prime is 430556990627. The next prime is 430556990723. The reversal of 430556990641 is 146099655034.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 158964879616 + 271592111025 = 398704^2 + 521145^2 .

It is a cyclic number.

It is not a de Polignac number, because 430556990641 - 2⁵ = 430556990609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (430556993641) 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 3 ways as a sum of consecutive naturals, for example, 17302656 + ... + 17327521.

It is an arithmetic number, because the mean of its divisors is an integer number (107647908313).

Almost surely, 2^430556990641 is an apocalyptic number.

It is an amenable number.

430556990641 is a deficient number, since it is larger than the sum of its proper divisors (34642611).

430556990641 is a wasteful number, since it uses less digits than its factorization.

430556990641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34642610.

The product of its (nonzero) digits is 3499200, while the sum is 52.

The spelling of 430556990641 in words is "four hundred thirty billion, five hundred fifty-six million, nine hundred ninety thousand, six hundred forty-one".