43476947905613 has 4 divisors (see below), whose sum is σ = 43477222465248. Its totient is φ = 43476673345980.

The previous prime is 43476947905609. The next prime is 43476947905697. The reversal of 43476947905613 is 31650974967434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43476947905613 - 2² = 43476947905609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43476947905913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137042153 + ... + 137359038.

It is an arithmetic number, because the mean of its divisors is an integer number (10869305616312).

Almost surely, 2^{43476947905613} is an apocalyptic number.

It is an amenable number.

43476947905613 is a deficient number, since it is larger than the sum of its proper divisors (274559635).

43476947905613 is a wasteful number, since it uses less digits than its factorization.

43476947905613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274559634.

The product of its (nonzero) digits is 411505920, while the sum is 68.

The spelling of 43476947905613 in words is "forty-three trillion, four hundred seventy-six billion, nine hundred forty-seven million, nine hundred five thousand, six hundred thirteen".