43361286431345 has 4 divisors (see below), whose sum is σ = 52033543717620. Its totient is φ = 34689029145072.

The previous prime is 43361286431299. The next prime is 43361286431363. The reversal of 43361286431345 is 54313468216334.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11543203305841 + 31818083125504 = 3397529^2 + 5640752^2 .

It is a cyclic number.

It is not a de Polignac number, because 43361286431345 - 2³⁴ = 43344106562161 is a prime.

It is a super-2 number, since 2×43361286431345² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4336128643130 + ... + 4336128643139.

It is an arithmetic number, because the mean of its divisors is an integer number (13008385929405).

Almost surely, 2^{43361286431345} is an apocalyptic number.

It is an amenable number.

43361286431345 is a deficient number, since it is larger than the sum of its proper divisors (8672257286275).

43361286431345 is an equidigital number, since it uses as much as digits as its factorization.

43361286431345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8672257286274.

The product of its digits is 14929920, while the sum is 53.

The spelling of 43361286431345 in words is "forty-three trillion, three hundred sixty-one billion, two hundred eighty-six million, four hundred thirty-one thousand, three hundred forty-five".