64194230028 has 12 divisors (see below), whose sum is σ = 149786536760. Its totient is φ = 21398076672.

The previous prime is 64194229997. The next prime is 64194230033. The reversal of 64194230028 is 82003249146.

64194230028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2674759573 + ... + 2674759596.

Almost surely, 2^64194230028 is an apocalyptic number.

It is an amenable number.

64194230028 is an abundant number, since it is smaller than the sum of its proper divisors (85592306732).

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

64194230028 is a wasteful number, since it uses less digits than its factorization.

64194230028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349519176 (or 5349519174 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 64194230028 in words is "sixty-four billion, one hundred ninety-four million, two hundred thirty thousand, twenty-eight".