64549555594546 has 8 divisors (see below), whose sum is σ = 105626545518384. Its totient is φ = 29340707088420.

The previous prime is 64549555594543. The next prime is 64549555594549.

64549555594546 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (64549555594543) and next prime (64549555594549).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×64549555594546² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64549555594543) 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, 1467035354400 + ... + 1467035354443.

It is an arithmetic number, because the mean of its divisors is an integer number (13203318189798).

Almost surely, 2^{64549555594546} is an apocalyptic number.

64549555594546 is a deficient number, since it is larger than the sum of its proper divisors (41076989923838).

64549555594546 is a wasteful number, since it uses less digits than its factorization.

64549555594546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934070708856.

The product of its digits is 11664000000, while the sum is 76.

The spelling of 64549555594546 in words is "sixty-four trillion, five hundred forty-nine billion, five hundred fifty-five million, five hundred ninety-four thousand, five hundred forty-six".