430533426066661 has 4 divisors (see below), whose sum is σ = 438656698256652. Its totient is φ = 422410153876672.

The previous prime is 430533426066647. The next prime is 430533426066683. The reversal of 430533426066661 is 166660624335034.

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 264735483241636 + 165797942825025 = 16270694^2 + 12876255^2 .

It is a cyclic number.

It is not a de Polignac number, because 430533426066661 - 2⁷ = 430533426066533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430533426066641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4061636094916 + ... + 4061636095021.

It is an arithmetic number, because the mean of its divisors is an integer number (109664174564163).

Almost surely, 2^{430533426066661} is an apocalyptic number.

It is an amenable number.

430533426066661 is a deficient number, since it is larger than the sum of its proper divisors (8123272189991).

430533426066661 is an equidigital number, since it uses as much as digits as its factorization.

430533426066661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8123272189990.

The product of its (nonzero) digits is 33592320, while the sum is 55.

The spelling of 430533426066661 in words is "four hundred thirty trillion, five hundred thirty-three billion, four hundred twenty-six million, sixty-six thousand, six hundred sixty-one".