428600031863 has 4 divisors (see below), whose sum is σ = 429996123480. Its totient is φ = 427203940248.

The previous prime is 428600031859. The next prime is 428600031907. The reversal of 428600031863 is 368130006824.

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 428600031863 - 2² = 428600031859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 428600031863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428600031803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698045348 + ... + 698045961.

It is an arithmetic number, because the mean of its divisors is an integer number (107499030870).

Almost surely, 2^428600031863 is an apocalyptic number.

428600031863 is a deficient number, since it is larger than the sum of its proper divisors (1396091617).

428600031863 is a wasteful number, since it uses less digits than its factorization.

428600031863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396091616.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 428600031863 in words is "four hundred twenty-eight billion, six hundred million, thirty-one thousand, eight hundred sixty-three".