64726006012427 has 4 divisors (see below), whose sum is σ = 64726047343296. Its totient is φ = 64725964681560.

The previous prime is 64726006012361. The next prime is 64726006012439. The reversal of 64726006012427 is 72421060062746.

64726006012427 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 a de Polignac number, because none of the positive numbers 2^k-64726006012427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64726006062427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18219899 + ... + 21480612.

It is an arithmetic number, because the mean of its divisors is an integer number (16181511835824).

Almost surely, 2^{64726006012427} is an apocalyptic number.

64726006012427 is a deficient number, since it is larger than the sum of its proper divisors (41330869).

64726006012427 is a wasteful number, since it uses less digits than its factorization.

64726006012427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41330868.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 64726006012427 in words is "sixty-four trillion, seven hundred twenty-six billion, six million, twelve thousand, four hundred twenty-seven".