64928191941 has 12 divisors (see below), whose sum is σ = 97862782368. Its totient is φ = 41403484584.

The previous prime is 64928191927. The next prime is 64928191957. The reversal of 64928191941 is 14919182946.

64928191941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64928191941 - 2¹⁰ = 64928190917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64928191961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156831175 + ... + 156831588.

It is an arithmetic number, because the mean of its divisors is an integer number (8155231864).

Almost surely, 2^64928191941 is an apocalyptic number.

It is an amenable number.

64928191941 is a deficient number, since it is larger than the sum of its proper divisors (32934590427).

64928191941 is a wasteful number, since it uses less digits than its factorization.

64928191941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313662792 (or 313662789 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The spelling of 64928191941 in words is "sixty-four billion, nine hundred twenty-eight million, one hundred ninety-one thousand, nine hundred forty-one".