428964418081 has 4 divisors (see below), whose sum is σ = 428979356464. Its totient is φ = 428949479700.

The previous prime is 428964418031. The next prime is 428964418121. The reversal of 428964418081 is 180814469824.

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 428964418081 - 2¹¹ = 428964416033 is a prime.

It is a super-2 number, since 2×428964418081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428964418031) 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, 7426035 + ... + 7483576.

It is an arithmetic number, because the mean of its divisors is an integer number (107244839116).

Almost surely, 2^428964418081 is an apocalyptic number.

It is an amenable number.

428964418081 is a deficient number, since it is larger than the sum of its proper divisors (14938383).

428964418081 is a wasteful number, since it uses less digits than its factorization.

428964418081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14938382.

The product of its (nonzero) digits is 3538944, while the sum is 55.

The spelling of 428964418081 in words is "four hundred twenty-eight billion, nine hundred sixty-four million, four hundred eighteen thousand, eighty-one".