64512347027 has 4 divisors (see below), whose sum is σ = 64515903480. Its totient is φ = 64508790576.

The previous prime is 64512347023. The next prime is 64512347051. The reversal of 64512347027 is 72074321546.

64512347027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 64512347027 - 2² = 64512347023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64512347021) 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, 1750877 + ... + 1787342.

It is an arithmetic number, because the mean of its divisors is an integer number (16128975870).

Almost surely, 2^64512347027 is an apocalyptic number.

64512347027 is a deficient number, since it is larger than the sum of its proper divisors (3556453).

64512347027 is a wasteful number, since it uses less digits than its factorization.

64512347027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556452.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 64512347027 in words is "sixty-four billion, five hundred twelve million, three hundred forty-seven thousand, twenty-seven".