43460673646664 has 8 divisors (see below), whose sum is σ = 81488763087510. Its totient is φ = 21730336823328.

The previous prime is 43460673646661. The next prime is 43460673646681. The reversal of 43460673646664 is 46664637606434.

It can be written as a sum of positive squares in only one way, i.e., 43001724304900 + 458949341764 = 6557570^2 + 677458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 43460673646664.

It is not an unprimeable number, because it can be changed into a prime (43460673646661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2716292102909 + ... + 2716292102924.

Almost surely, 2^{43460673646664} is an apocalyptic number.

It is an amenable number.

43460673646664 is a deficient number, since it is larger than the sum of its proper divisors (38028089440846).

43460673646664 is a wasteful number, since it uses less digits than its factorization.

43460673646664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432584205839 (or 5432584205835 counting only the distinct ones).

The product of its (nonzero) digits is 752467968, while the sum is 65.

The spelling of 43460673646664 in words is "forty-three trillion, four hundred sixty billion, six hundred seventy-three million, six hundred forty-six thousand, six hundred sixty-four".