64229771542671 has 96 divisors (see below), whose sum is σ = 106659028869120. Its totient is φ = 36485764416000.

The previous prime is 64229771542529. The next prime is 64229771542679. The reversal of 64229771542671 is 17624517792246.

64229771542671 is a `hidden beast` number, since 6 + 4 + 2 + 29 + 7 + 7 + 1 + 542 + 67 + 1 = 666.

64229771542671 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 64229771542671 - 2¹³ = 64229771534479 is a prime.

It is a super-2 number, since 2×64229771542671² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 64229771542599 and 64229771542608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64229771542679) 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 95 ways as a sum of consecutive naturals, for example, 22309749010 + ... + 22309751888.

It is an arithmetic number, because the mean of its divisors is an integer number (1111031550720).

Almost surely, 2^{64229771542671} is an apocalyptic number.

64229771542671 is a deficient number, since it is larger than the sum of its proper divisors (42429257326449).

64229771542671 is a wasteful number, since it uses less digits than its factorization.

64229771542671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5797 (or 5794 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 63.

The spelling of 64229771542671 in words is "sixty-four trillion, two hundred twenty-nine billion, seven hundred seventy-one million, five hundred forty-two thousand, six hundred seventy-one".