64021471101 has 12 divisors (see below), whose sum is σ = 105686238112. Its totient is φ = 36583697736.

The previous prime is 64021471091. The next prime is 64021471117. The reversal of 64021471101 is 10117412046.

64021471101 is a `hidden beast` number, since 6 + 402 + 147 + 110 + 1 = 666.

It is not a de Polignac number, because 64021471101 - 2¹⁹ = 64020946813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64021471121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508106851 + ... + 508106976.

Almost surely, 2^64021471101 is an apocalyptic number.

It is an amenable number.

64021471101 is a deficient number, since it is larger than the sum of its proper divisors (41664767011).

64021471101 is a wasteful number, since it uses less digits than its factorization.

64021471101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016213840 (or 1016213837 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

Adding to 64021471101 its reverse (10117412046), we get a palindrome (74138883147).

The spelling of 64021471101 in words is "sixty-four billion, twenty-one million, four hundred seventy-one thousand, one hundred one".