3646570064 has 10 divisors (see below), whose sum is σ = 7065229530. Its totient is φ = 1823285024.

The previous prime is 3646570051. The next prime is 3646570069. The reversal of 3646570064 is 4600756463.

3646570064 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 only one way, i.e., 3611048464 + 35521600 = 60092^2 + 5960^2 .

It is a super-4 number, since 4×3646570064⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646570069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113955299 + ... + 113955330.

It is an arithmetic number, because the mean of its divisors is an integer number (706522953).

Almost surely, 2^3646570064 is an apocalyptic number.

It is an amenable number.

3646570064 is a deficient number, since it is larger than the sum of its proper divisors (3418659466).

3646570064 is a wasteful number, since it uses less digits than its factorization.

3646570064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227910637 (or 227910631 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 3646570064 is about 60386.8368438023. The cubic root of 3646570064 is about 1539.1992891517.

The spelling of 3646570064 in words is "three billion, six hundred forty-six million, five hundred seventy thousand, sixty-four".