9814428726 has 8 divisors (see below), whose sum is σ = 19628857464. Its totient is φ = 3271476240.

The previous prime is 9814428719. The next prime is 9814428749. The reversal of 9814428726 is 6278244189.

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

9814428726 is an admirable number.

It is a super-2 number, since 2×9814428726² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817869055 + ... + 817869066.

It is an arithmetic number, because the mean of its divisors is an integer number (2453607183).

Almost surely, 2^9814428726 is an apocalyptic number.

9814428726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9814428726 is a wasteful number, since it uses less digits than its factorization.

9814428726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635738126.

The product of its digits is 1548288, while the sum is 51.

The square root of 9814428726 is about 99067.7986330574. The cubic root of 9814428726 is about 2141.0246880380.

The spelling of 9814428726 in words is "nine billion, eight hundred fourteen million, four hundred twenty-eight thousand, seven hundred twenty-six".