64497748527 has 8 divisors (see below), whose sum is σ = 95552220080. Its totient is φ = 42998499000.

The previous prime is 64497748501. The next prime is 64497748543. The reversal of 64497748527 is 72584779446.

64497748527 is a `hidden beast` number, since 6 + 44 + 97 + 7 + 485 + 27 = 666.

64497748527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64497748527 - 2³⁰ = 63424006703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64497748127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194402724 + ... + 1194402777.

It is an arithmetic number, because the mean of its divisors is an integer number (11944027510).

Almost surely, 2^64497748527 is an apocalyptic number.

64497748527 is a deficient number, since it is larger than the sum of its proper divisors (31054471553).

64497748527 is a wasteful number, since it uses less digits than its factorization.

64497748527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388805510 (or 2388805504 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 63.

The spelling of 64497748527 in words is "sixty-four billion, four hundred ninety-seven million, seven hundred forty-eight thousand, five hundred twenty-seven".