964394433441 has 12 divisors (see below), whose sum is σ = 1393024402068. Its totient is φ = 642924905184.

The previous prime is 964394433439. The next prime is 964394433451. The reversal of 964394433441 is 144334493469.

964394433441 is a `hidden beast` number, since 96 + 43 + 9 + 44 + 33 + 441 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 438376410000 + 526018023441 = 662100^2 + 725271^2 .

It is not a de Polignac number, because 964394433441 - 2¹ = 964394433439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (964394433451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1273711 + ... + 1884443.

It is an arithmetic number, because the mean of its divisors is an integer number (116085366839).

Almost surely, 2^964394433441 is an apocalyptic number.

It is an amenable number.

964394433441 is a deficient number, since it is larger than the sum of its proper divisors (428629968627).

964394433441 is a wasteful number, since it uses less digits than its factorization.

964394433441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786192 (or 786189 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 54.

The spelling of 964394433441 in words is "nine hundred sixty-four billion, three hundred ninety-four million, four hundred thirty-three thousand, four hundred forty-one".