428968117203 has 16 divisors (see below), whose sum is σ = 606969127296. Its totient is φ = 268548874880.

The previous prime is 428968117187. The next prime is 428968117217. The reversal of 428968117203 is 302711869824.

It is a happy number.

It is not a de Polignac number, because 428968117203 - 2⁴ = 428968117187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (428968110203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9470793 + ... + 9515978.

It is an arithmetic number, because the mean of its divisors is an integer number (37935570456).

Almost surely, 2^428968117203 is an apocalyptic number.

428968117203 is a deficient number, since it is larger than the sum of its proper divisors (178001010093).

428968117203 is a wasteful number, since it uses less digits than its factorization.

428968117203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18987234.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 428968117203 in words is "four hundred twenty-eight billion, nine hundred sixty-eight million, one hundred seventeen thousand, two hundred three".