428741633739 has 4 divisors (see below), whose sum is σ = 571655511656. Its totient is φ = 285827755824.

The previous prime is 428741633653. The next prime is 428741633783. The reversal of 428741633739 is 937336147824.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 428741633739 - 2⁷ = 428741633611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428741633539) 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, 71456938954 + ... + 71456938959.

It is an arithmetic number, because the mean of its divisors is an integer number (142913877914).

Almost surely, 2^428741633739 is an apocalyptic number.

428741633739 is a deficient number, since it is larger than the sum of its proper divisors (142913877917).

428741633739 is a wasteful number, since it uses less digits than its factorization.

428741633739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142913877916.

The product of its digits is 18289152, while the sum is 57.

The spelling of 428741633739 in words is "four hundred twenty-eight billion, seven hundred forty-one million, six hundred thirty-three thousand, seven hundred thirty-nine".