426900205618 has 8 divisors (see below), whose sum is σ = 640367027712. Its totient is φ = 213444529716.

The previous prime is 426900205603. The next prime is 426900205621. The reversal of 426900205618 is 816502009624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×426900205618³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

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, 2690130 + ... + 2844397.

It is an arithmetic number, because the mean of its divisors is an integer number (80045878464).

Almost surely, 2^426900205618 is an apocalyptic number.

426900205618 is a deficient number, since it is larger than the sum of its proper divisors (213466822094).

426900205618 is a wasteful number, since it uses less digits than its factorization.

426900205618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573096.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 426900205618 in words is "four hundred twenty-six billion, nine hundred million, two hundred five thousand, six hundred eighteen".