64025064133 has 4 divisors (see below), whose sum is σ = 64454762700. Its totient is φ = 63595365568.

The previous prime is 64025064113. The next prime is 64025064137. The reversal of 64025064133 is 33146052046.

64025064133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2623693284 + 61401370849 = 51222^2 + 247793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64025064133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64025064137) 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, 214849060 + ... + 214849357.

It is an arithmetic number, because the mean of its divisors is an integer number (16113690675).

Almost surely, 2^64025064133 is an apocalyptic number.

It is an amenable number.

64025064133 is a deficient number, since it is larger than the sum of its proper divisors (429698567).

64025064133 is a wasteful number, since it uses less digits than its factorization.

64025064133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429698566.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 64025064133 in words is "sixty-four billion, twenty-five million, sixty-four thousand, one hundred thirty-three".