43648263052274 has 4 divisors (see below), whose sum is σ = 65472394578414. Its totient is φ = 21824131526136.

The previous prime is 43648263052271. The next prime is 43648263052319. The reversal of 43648263052274 is 47225036284634.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24216979155625 + 19431283896649 = 4921075^2 + 4408093^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43648263052271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10912065763067 + ... + 10912065763070.

Almost surely, 2^{43648263052274} is an apocalyptic number.

43648263052274 is a deficient number, since it is larger than the sum of its proper divisors (21824131526140).

43648263052274 is a wasteful number, since it uses less digits than its factorization.

43648263052274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21824131526139.

The product of its (nonzero) digits is 46448640, while the sum is 56.

The spelling of 43648263052274 in words is "forty-three trillion, six hundred forty-eight billion, two hundred sixty-three million, fifty-two thousand, two hundred seventy-four".