8445036464641 has 16 divisors (see below), whose sum is σ = 9795110814720. Its totient is φ = 7131667317840.

The previous prime is 8445036464639. The next prime is 8445036464647. The reversal of 8445036464641 is 1464646305448.

It is a cyclic number.

It is not a de Polignac number, because 8445036464641 - 2¹ = 8445036464639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8445036464647) 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, 32999941 + ... + 33254866.

It is an arithmetic number, because the mean of its divisors is an integer number (612194425920).

Almost surely, 2^{8445036464641} is an apocalyptic number.

It is an amenable number.

8445036464641 is a deficient number, since it is larger than the sum of its proper divisors (1350074350079).

8445036464641 is a wasteful number, since it uses less digits than its factorization.

8445036464641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66255084.

The product of its (nonzero) digits is 26542080, while the sum is 55.

The spelling of 8445036464641 in words is "eight trillion, four hundred forty-five billion, thirty-six million, four hundred sixty-four thousand, six hundred forty-one".