428346226403 has 4 divisors (see below), whose sum is σ = 428371934088. Its totient is φ = 428320518720.

The previous prime is 428346226339. The next prime is 428346226439. The reversal of 428346226403 is 304622643824.

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 428346226403 - 2⁶ = 428346226339 is a prime.

It is a super-3 number, since 3×428346226403³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428346226003) 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, 12828833 + ... + 12862178.

It is an arithmetic number, because the mean of its divisors is an integer number (107092983522).

Almost surely, 2^428346226403 is an apocalyptic number.

428346226403 is a deficient number, since it is larger than the sum of its proper divisors (25707685).

428346226403 is a wasteful number, since it uses less digits than its factorization.

428346226403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25707684.

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 428346226403 in words is "four hundred twenty-eight billion, three hundred forty-six million, two hundred twenty-six thousand, four hundred three".