8647954641 has 6 divisors (see below), whose sum is σ = 12491490050. Its totient is φ = 5765303088.

The previous prime is 8647954631. The next prime is 8647954669. The reversal of 8647954641 is 1464597468.

8647954641 is a `hidden beast` number, since 86 + 479 + 54 + 6 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6772631616 + 1875323025 = 82296^2 + 43305^2 .

It is not a de Polignac number, because 8647954641 - 2²² = 8643760337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8647954631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 480441916 + ... + 480441933.

Almost surely, 2^8647954641 is an apocalyptic number.

It is an amenable number.

8647954641 is a deficient number, since it is larger than the sum of its proper divisors (3843535409).

8647954641 is a wasteful number, since it uses less digits than its factorization.

8647954641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960883855 (or 960883852 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 8647954641 is about 92994.3796204910. The cubic root of 8647954641 is about 2052.6006764050.

The spelling of 8647954641 in words is "eight billion, six hundred forty-seven million, nine hundred fifty-four thousand, six hundred forty-one".