428745890311 has 4 divisors (see below), whose sum is σ = 428747229792. Its totient is φ = 428744550832.

The previous prime is 428745890303. The next prime is 428745890407. The reversal of 428745890311 is 113098547824.

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 428745890311 - 2³ = 428745890303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428745590311) 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, 123771 + ... + 934243.

It is an arithmetic number, because the mean of its divisors is an integer number (107186807448).

Almost surely, 2^428745890311 is an apocalyptic number.

428745890311 is a deficient number, since it is larger than the sum of its proper divisors (1339481).

428745890311 is an equidigital number, since it uses as much as digits as its factorization.

428745890311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339480.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 428745890311 in words is "four hundred twenty-eight billion, seven hundred forty-five million, eight hundred ninety thousand, three hundred eleven".