43410664657361 has 16 divisors (see below), whose sum is σ = 44219685946320. Its totient is φ = 42609298068480.

The previous prime is 43410664657357. The next prime is 43410664657397. The reversal of 43410664657361 is 16375646601434.

It can be written as a sum of positive squares in 8 ways, for example, as 5169798090961 + 38240866566400 = 2273719^2 + 6183920^2 .

It is a cyclic number.

It is not a de Polignac number, because 43410664657361 - 2² = 43410664657357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43410664657297 and 43410664657306.

It is not an unprimeable number, because it can be changed into a prime (43410664657351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13361285 + ... + 16289421.

It is an arithmetic number, because the mean of its divisors is an integer number (2763730371645).

Almost surely, 2^{43410664657361} is an apocalyptic number.

It is an amenable number.

43410664657361 is a deficient number, since it is larger than the sum of its proper divisors (809021288959).

43410664657361 is a wasteful number, since it uses less digits than its factorization.

43410664657361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929444.

The product of its (nonzero) digits is 26127360, while the sum is 56.

The spelling of 43410664657361 in words is "forty-three trillion, four hundred ten billion, six hundred sixty-four million, six hundred fifty-seven thousand, three hundred sixty-one".