8459950256643 has 4 divisors (see below), whose sum is σ = 11279933675528. Its totient is φ = 5639966837760.

The previous prime is 8459950256633. The next prime is 8459950256663. The reversal of 8459950256643 is 3466520599548.

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

It is not a de Polignac number, because 8459950256643 - 2⁴ = 8459950256627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8459950256603) 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, 1409991709438 + ... + 1409991709443.

It is an arithmetic number, because the mean of its divisors is an integer number (2819983418882).

Almost surely, 2^{8459950256643} is an apocalyptic number.

8459950256643 is a deficient number, since it is larger than the sum of its proper divisors (2819983418885).

8459950256643 is a wasteful number, since it uses less digits than its factorization.

8459950256643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819983418884.

The product of its (nonzero) digits is 279936000, while the sum is 66.

The spelling of 8459950256643 in words is "eight trillion, four hundred fifty-nine billion, nine hundred fifty million, two hundred fifty-six thousand, six hundred forty-three".