64955533555946 has 16 divisors (see below), whose sum is σ = 106340472269568. Its totient is φ = 29511464976000.

The previous prime is 64955533555943. The next prime is 64955533555951.

64955533555946 is nontrivially palindromic in base 10.

64955533555946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64955533555943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688829255 + ... + 688923546.

It is an arithmetic number, because the mean of its divisors is an integer number (6646279516848).

Almost surely, 2^{64955533555946} is an apocalyptic number.

64955533555946 is a deficient number, since it is larger than the sum of its proper divisors (41384938713622).

64955533555946 is a wasteful number, since it uses less digits than its factorization.

64955533555946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377754957.

The product of its digits is 6561000000, while the sum is 74.

The spelling of 64955533555946 in words is "sixty-four trillion, nine hundred fifty-five billion, five hundred thirty-three million, five hundred fifty-five thousand, nine hundred forty-six".