964941617845 has 16 divisors (see below), whose sum is σ = 1189278693360. Its totient is φ = 751055998464.

The previous prime is 964941617831. The next prime is 964941617951. The reversal of 964941617845 is 548716149469.

It can be written as a sum of positive squares in 8 ways, for example, as 22057893361 + 942883724484 = 148519^2 + 971022^2 .

It is a cyclic number.

It is not a de Polignac number, because 964941617845 - 2⁵ = 964941617813 is a prime.

It is a super-2 number, since 2×964941617845² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 4511791 + ... + 4720819.

It is an arithmetic number, because the mean of its divisors is an integer number (74329918335).

Almost surely, 2^964941617845 is an apocalyptic number.

It is an amenable number.

964941617845 is a deficient number, since it is larger than the sum of its proper divisors (224337075515).

964941617845 is a wasteful number, since it uses less digits than its factorization.

964941617845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234024.

The product of its digits is 52254720, while the sum is 64.

The spelling of 964941617845 in words is "nine hundred sixty-four billion, nine hundred forty-one million, six hundred seventeen thousand, eight hundred forty-five".