43564320437413 has 8 divisors (see below), whose sum is σ = 44023716407000. Its totient is φ = 43107227205120.

The previous prime is 43564320437411. The next prime is 43564320437419. The reversal of 43564320437413 is 31473402346534.

It can be written as a sum of positive squares in 4 ways, for example, as 4380138322884 + 39184182114529 = 2092878^2 + 6259727^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43564320437413 - 2¹ = 43564320437411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43564320437411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575646288 + ... + 575721961.

It is an arithmetic number, because the mean of its divisors is an integer number (5502964550875).

Almost surely, 2^{43564320437413} is an apocalyptic number.

It is an amenable number.

43564320437413 is a deficient number, since it is larger than the sum of its proper divisors (459395969587).

43564320437413 is a wasteful number, since it uses less digits than its factorization.

43564320437413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151368647.

The product of its (nonzero) digits is 8709120, while the sum is 49.

The spelling of 43564320437413 in words is "forty-three trillion, five hundred sixty-four billion, three hundred twenty million, four hundred thirty-seven thousand, four hundred thirteen".