428741702899 has 4 divisors (see below), whose sum is σ = 428743035520. Its totient is φ = 428740370280.

The previous prime is 428741702891. The next prime is 428741702933. The reversal of 428741702899 is 998207147824.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 428741702899 - 2³ = 428741702891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428741702891) 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, 148057 + ... + 937765.

It is an arithmetic number, because the mean of its divisors is an integer number (107185758880).

Almost surely, 2^428741702899 is an apocalyptic number.

428741702899 is a deficient number, since it is larger than the sum of its proper divisors (1332621).

428741702899 is an equidigital number, since it uses as much as digits as its factorization.

428741702899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332620.

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 428741702899 in words is "four hundred twenty-eight billion, seven hundred forty-one million, seven hundred two thousand, eight hundred ninety-nine".