64473152852 has 12 divisors (see below), whose sum is σ = 114677657556. Its totient is φ = 31708107840.

The previous prime is 64473152837. The next prime is 64473152897. The reversal of 64473152852 is 25825137446.

64473152852 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 23051134276 + 41422018576 = 151826^2 + 203524^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64473152797 and 64473152806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132116873 + ... + 132117360.

It is an arithmetic number, because the mean of its divisors is an integer number (9556471463).

Almost surely, 2^64473152852 is an apocalyptic number.

It is an amenable number.

64473152852 is a deficient number, since it is larger than the sum of its proper divisors (50204504704).

64473152852 is a wasteful number, since it uses less digits than its factorization.

64473152852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264234298 (or 264234296 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 47.

The spelling of 64473152852 in words is "sixty-four billion, four hundred seventy-three million, one hundred fifty-two thousand, eight hundred fifty-two".