64081428035 has 24 divisors (see below), whose sum is σ = 83158503120. Its totient is φ = 47345262272.

The previous prime is 64081428031. The next prime is 64081428121. The reversal of 64081428035 is 53082418046.

It is not a de Polignac number, because 64081428035 - 2² = 64081428031 is a prime.

It is a super-2 number, since 2×64081428035² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64081427983 and 64081428001.

It is not an unprimeable number, because it can be changed into a prime (64081428031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341009 + ... + 494418.

It is an arithmetic number, because the mean of its divisors is an integer number (3464937630).

Almost surely, 2^64081428035 is an apocalyptic number.

64081428035 is a deficient number, since it is larger than the sum of its proper divisors (19077075085).

64081428035 is a wasteful number, since it uses less digits than its factorization.

64081428035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835507 (or 835484 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 64081428035 in words is "sixty-four billion, eighty-one million, four hundred twenty-eight thousand, thirty-five".