1964382708945 has 8 divisors (see below), whose sum is σ = 3143012334336. Its totient is φ = 1047670778096.

The previous prime is 1964382708907. The next prime is 1964382708947. The reversal of 1964382708945 is 5498072834691.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1964382708945 - 2¹⁰ = 1964382707921 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1964382708947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65479423617 + ... + 65479423646.

It is an arithmetic number, because the mean of its divisors is an integer number (392876541792).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1964382708945 = 3928765417890, but 3⋅1964382708945 = 5893148126835 is not.

Almost surely, 2^{1964382708945} is an apocalyptic number.

1964382708945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1964382708945 is a deficient number, since it is larger than the sum of its proper divisors (1178629625391).

1964382708945 is a wasteful number, since it uses less digits than its factorization.

1964382708945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130958847271.

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 1964382708945 in words is "one trillion, nine hundred sixty-four billion, three hundred eighty-two million, seven hundred eight thousand, nine hundred forty-five".