428337209047 has 8 divisors (see below), whose sum is σ = 467287099920. Its totient is φ = 389389008960.

The previous prime is 428337209039. The next prime is 428337209051. The reversal of 428337209047 is 740902733824.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 428337209047 - 2³ = 428337209039 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 (428337209057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139533 + ... + 936025.

It is an arithmetic number, because the mean of its divisors is an integer number (58410887490).

Almost surely, 2^428337209047 is an apocalyptic number.

428337209047 is a deficient number, since it is larger than the sum of its proper divisors (38949890873).

428337209047 is a wasteful number, since it uses less digits than its factorization.

428337209047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845393.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 428337209047 in words is "four hundred twenty-eight billion, three hundred thirty-seven million, two hundred nine thousand, forty-seven".