8064814495491 has 24 divisors (see below), whose sum is σ = 12635520737840. Its totient is φ = 4927257988416.

The previous prime is 8064814495489. The next prime is 8064814495513. The reversal of 8064814495491 is 1945944184608.

8064814495491 is a `hidden beast` number, since 8 + 0 + 6 + 4 + 81 + 4 + 4 + 9 + 549 + 1 = 666.

It is not a de Polignac number, because 8064814495491 - 2¹ = 8064814495489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8064814495471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247933516 + ... + 247966041.

Almost surely, 2^{8064814495491} is an apocalyptic number.

8064814495491 is a deficient number, since it is larger than the sum of its proper divisors (4570706242349).

8064814495491 is a wasteful number, since it uses less digits than its factorization.

8064814495491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495899715 (or 495899712 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 63.

The spelling of 8064814495491 in words is "eight trillion, sixty-four billion, eight hundred fourteen million, four hundred ninety-five thousand, four hundred ninety-one".