426650443131643 has 4 divisors (see below), whose sum is σ = 426650501022480. Its totient is φ = 426650385240808.

The previous prime is 426650443131641. The next prime is 426650443131659. The reversal of 426650443131643 is 346131344056624.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 426650443131643 - 2¹ = 426650443131641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426650443131641) 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, 15943903 + ... + 33279256.

It is an arithmetic number, because the mean of its divisors is an integer number (106662625255620).

Almost surely, 2^{426650443131643} is an apocalyptic number.

426650443131643 is a deficient number, since it is larger than the sum of its proper divisors (57890837).

426650443131643 is an equidigital number, since it uses as much as digits as its factorization.

426650443131643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57890836.

The product of its (nonzero) digits is 14929920, while the sum is 52.

The spelling of 426650443131643 in words is "four hundred twenty-six trillion, six hundred fifty billion, four hundred forty-three million, one hundred thirty-one thousand, six hundred forty-three".