64146707374243 has 32 divisors (see below), whose sum is σ = 73620991342080. Its totient is φ = 55438966513920.

The previous prime is 64146707374229. The next prime is 64146707374261. The reversal of 64146707374243 is 34247370764146.

64146707374243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64146707374243 - 2⁹ = 64146707373731 is a prime.

It is a super-2 number, since 2×64146707374243² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64146707375243) 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 31 ways as a sum of consecutive naturals, for example, 3692713 + ... + 11913418.

It is an arithmetic number, because the mean of its divisors is an integer number (2300655979440).

Almost surely, 2^{64146707374243} is an apocalyptic number.

64146707374243 is a deficient number, since it is larger than the sum of its proper divisors (9474283967837).

64146707374243 is a wasteful number, since it uses less digits than its factorization.

64146707374243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15606459.

The product of its (nonzero) digits is 56899584, while the sum is 58.

The spelling of 64146707374243 in words is "sixty-four trillion, one hundred forty-six billion, seven hundred seven million, three hundred seventy-four thousand, two hundred forty-three".