64054389529 has 8 divisors (see below), whose sum is σ = 70846019720. Its totient is φ = 57529097856.

The previous prime is 64054389491. The next prime is 64054389541. The reversal of 64054389529 is 92598345046.

It can be written as a sum of positive squares in 4 ways, for example, as 3846480400 + 60207909129 = 62020^2 + 245373^2 .

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 64054389529 - 2⁷ = 64054389401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64054389529.

It is not an unprimeable number, because it can be changed into a prime (64054389589) 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, 66584124 + ... + 66585085.

It is an arithmetic number, because the mean of its divisors is an integer number (8855752465).

Almost surely, 2^64054389529 is an apocalyptic number.

It is an amenable number.

64054389529 is a deficient number, since it is larger than the sum of its proper divisors (6791630191).

64054389529 is a wasteful number, since it uses less digits than its factorization.

64054389529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133169259.

The product of its (nonzero) digits is 9331200, while the sum is 55.

It can be divided in two parts, 6405 and 4389529, that added together give a palindrome (4395934).

The spelling of 64054389529 in words is "sixty-four billion, fifty-four million, three hundred eighty-nine thousand, five hundred twenty-nine".