43065061626449 has 4 divisors (see below), whose sum is σ = 43069328461236. Its totient is φ = 43060794791664.

The previous prime is 43065061626439. The next prime is 43065061626467. The reversal of 43065061626449 is 94462616056034.

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 8278740198400 + 34786321428049 = 2877280^2 + 5897993^2 .

It is a cyclic number.

It is not a de Polignac number, because 43065061626449 - 2³² = 43060766659153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43065061626394 and 43065061626403.

It is not an unprimeable number, because it can be changed into a prime (43065061626439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2133402254 + ... + 2133422439.

It is an arithmetic number, because the mean of its divisors is an integer number (10767332115309).

Almost surely, 2^{43065061626449} is an apocalyptic number.

It is an amenable number.

43065061626449 is a deficient number, since it is larger than the sum of its proper divisors (4266834787).

43065061626449 is a wasteful number, since it uses less digits than its factorization.

43065061626449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266834786.

The product of its (nonzero) digits is 22394880, while the sum is 56.

The spelling of 43065061626449 in words is "forty-three trillion, sixty-five billion, sixty-one million, six hundred twenty-six thousand, four hundred forty-nine".