426636610001 has 4 divisors (see below), whose sum is σ = 487584697152. Its totient is φ = 365688522852.

The previous prime is 426636609977. The next prime is 426636610003. The reversal of 426636610001 is 100016636624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426636610001 - 2¹⁸ = 426636347857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426636610003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30474043565 + ... + 30474043578.

It is an arithmetic number, because the mean of its divisors is an integer number (121896174288).

Almost surely, 2^426636610001 is an apocalyptic number.

It is an amenable number.

426636610001 is a deficient number, since it is larger than the sum of its proper divisors (60948087151).

426636610001 is an equidigital number, since it uses as much as digits as its factorization.

426636610001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60948087150.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 426636610001 in words is "four hundred twenty-six billion, six hundred thirty-six million, six hundred ten thousand, one".