43648281725645 has 8 divisors (see below), whose sum is σ = 52378233583104. Its totient is φ = 34918428372304.

The previous prime is 43648281725639. The next prime is 43648281725663. The reversal of 43648281725645 is 54652718284634.

It is a happy number.

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 43648281725645 - 2²⁴ = 43648264948429 is a prime.

It is a super-3 number, since 3×43648281725645³ (a number of 42 digits) contains 333 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, 23647649 + ... + 25426518.

It is an arithmetic number, because the mean of its divisors is an integer number (6547279197888).

Almost surely, 2^{43648281725645} is an apocalyptic number.

It is an amenable number.

43648281725645 is a deficient number, since it is larger than the sum of its proper divisors (8729951857459).

43648281725645 is a wasteful number, since it uses less digits than its factorization.

43648281725645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49252059.

The product of its digits is 309657600, while the sum is 65.

The spelling of 43648281725645 in words is "forty-three trillion, six hundred forty-eight billion, two hundred eighty-one million, seven hundred twenty-five thousand, six hundred forty-five".