428741633741 has 4 divisors (see below), whose sum is σ = 428748282432. Its totient is φ = 428734985052.

The previous prime is 428741633653. The next prime is 428741633783. The reversal of 428741633741 is 147336147824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 428741633741 - 2¹⁴ = 428741617357 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 428741633741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428741633941) 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, 3226661 + ... + 3356906.

It is an arithmetic number, because the mean of its divisors is an integer number (107187070608).

Almost surely, 2^428741633741 is an apocalyptic number.

It is an amenable number.

428741633741 is a deficient number, since it is larger than the sum of its proper divisors (6648691).

428741633741 is an equidigital number, since it uses as much as digits as its factorization.

428741633741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6648690.

The product of its digits is 2709504, while the sum is 50.

The spelling of 428741633741 in words is "four hundred twenty-eight billion, seven hundred forty-one million, six hundred thirty-three thousand, seven hundred forty-one".