64529810901 has 12 divisors (see below), whose sum is σ = 93298596300. Its totient is φ = 42978857280.

The previous prime is 64529810899. The next prime is 64529810999. The reversal of 64529810901 is 10901892546.

64529810901 is a `hidden beast` number, since 6 + 452 + 98 + 109 + 0 + 1 = 666.

64529810901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 52624818801 + 11904992100 = 229401^2 + 109110^2 .

It is not a de Polignac number, because 64529810901 - 2¹ = 64529810899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64529814901) 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, 3408090 + ... + 3426971.

It is an arithmetic number, because the mean of its divisors is an integer number (7774883025).

Almost surely, 2^64529810901 is an apocalyptic number.

It is an amenable number.

64529810901 is a deficient number, since it is larger than the sum of its proper divisors (28768785399).

64529810901 is a wasteful number, since it uses less digits than its factorization.

64529810901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6836116 (or 6836113 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 64529810901 in words is "sixty-four billion, five hundred twenty-nine million, eight hundred ten thousand, nine hundred one".