64187427152563 has 8 divisors (see below), whose sum is σ = 75409005326256. Its totient is φ = 53863575232800.

The previous prime is 64187427152551. The next prime is 64187427152567. The reversal of 64187427152563 is 36525172478146.

64187427152563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64187427152563 - 2³⁷ = 64049988199091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64187427152567) 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 7 ways as a sum of consecutive naturals, for example, 224431563328 + ... + 224431563613.

It is an arithmetic number, because the mean of its divisors is an integer number (9426125665782).

Almost surely, 2^{64187427152563} is an apocalyptic number.

64187427152563 is a deficient number, since it is larger than the sum of its proper divisors (11221578173693).

64187427152563 is a wasteful number, since it uses less digits than its factorization.

64187427152563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448863126965.

The product of its digits is 67737600, while the sum is 61.

The spelling of 64187427152563 in words is "sixty-four trillion, one hundred eighty-seven billion, four hundred twenty-seven million, one hundred fifty-two thousand, five hundred sixty-three".