43648236343641 has 4 divisors (see below), whose sum is σ = 58197648458192. Its totient is φ = 29098824229092.

The previous prime is 43648236343609. The next prime is 43648236343693. The reversal of 43648236343641 is 14634363284634.

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 not a de Polignac number, because 43648236343641 - 2⁵ = 43648236343609 is a prime.

It is a super-2 number, since 2×43648236343641² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43648236343601) 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, 7274706057271 + ... + 7274706057276.

It is an arithmetic number, because the mean of its divisors is an integer number (14549412114548).

Almost surely, 2^{43648236343641} is an apocalyptic number.

It is an amenable number.

43648236343641 is a deficient number, since it is larger than the sum of its proper divisors (14549412114551).

43648236343641 is a wasteful number, since it uses less digits than its factorization.

43648236343641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14549412114550.

The product of its digits is 71663616, while the sum is 57.

The spelling of 43648236343641 in words is "forty-three trillion, six hundred forty-eight billion, two hundred thirty-six million, three hundred forty-three thousand, six hundred forty-one".