44678633687643 has 16 divisors (see below), whose sum is σ = 59796879156000. Its totient is φ = 29673086496000.

The previous prime is 44678633687603. The next prime is 44678633687657. The reversal of 44678633687643 is 34678633687644.

It is not a de Polignac number, because 44678633687643 - 2²⁴ = 44678616910427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44678633687603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10583143 + ... + 14190143.

It is an arithmetic number, because the mean of its divisors is an integer number (3737304947250).

Almost surely, 2^{44678633687643} is an apocalyptic number.

44678633687643 is a deficient number, since it is larger than the sum of its proper divisors (15118245468357).

44678633687643 is a wasteful number, since it uses less digits than its factorization.

44678633687643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622622.

The product of its digits is 7023034368, while the sum is 75.

Subtracting from 44678633687643 its reverse (34678633687644), we obtain a palindrome (9999999999999).

The spelling of 44678633687643 in words is "forty-four trillion, six hundred seventy-eight billion, six hundred thirty-three million, six hundred eighty-seven thousand, six hundred forty-three".