43464642364405 has 8 divisors (see below), whose sum is σ = 52165025155512. Its totient is φ = 34766744346048.

The previous prime is 43464642364387. The next prime is 43464642364427. The reversal of 43464642364405 is 50446324646434.

It can be written as a sum of positive squares in 4 ways, for example, as 7427985037489 + 36036657326916 = 2725433^2 + 6003054^2 .

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 43464642364405 - 2⁵ = 43464642364373 is a prime.

It is a super-2 number, since 2×43464642364405² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621154702 + ... + 621224671.

It is an arithmetic number, because the mean of its divisors is an integer number (6520628144439).

Almost surely, 2^{43464642364405} is an apocalyptic number.

It is an amenable number.

43464642364405 is a deficient number, since it is larger than the sum of its proper divisors (8700382791107).

43464642364405 is a wasteful number, since it uses less digits than its factorization.

43464642364405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242386375.

The product of its (nonzero) digits is 79626240, while the sum is 55.

The spelling of 43464642364405 in words is "forty-three trillion, four hundred sixty-four billion, six hundred forty-two million, three hundred sixty-four thousand, four hundred five".