64184077423893 has 16 divisors (see below), whose sum is σ = 97804520652800. Its totient is φ = 36676536096816.

The previous prime is 64184077423889. The next prime is 64184077423913. The reversal of 64184077423893 is 39832477048146.

It is not a de Polignac number, because 64184077423893 - 2² = 64184077423889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64184077423883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7399308 + ... + 13532106.

It is an arithmetic number, because the mean of its divisors is an integer number (6112782540800).

Almost surely, 2^{64184077423893} is an apocalyptic number.

It is an amenable number.

64184077423893 is a deficient number, since it is larger than the sum of its proper divisors (33620443228907).

64184077423893 is a wasteful number, since it uses less digits than its factorization.

64184077423893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6631176.

The product of its (nonzero) digits is 195084288, while the sum is 66.

The spelling of 64184077423893 in words is "sixty-four trillion, one hundred eighty-four billion, seventy-seven million, four hundred twenty-three thousand, eight hundred ninety-three".