3646246564 has 24 divisors (see below), whose sum is σ = 6758668728. Its totient is φ = 1715274240.

The previous prime is 3646246561. The next prime is 3646246573. The reversal of 3646246564 is 4656426463.

It is a happy number.

3646246564 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 4 ways, for example, as 31832164 + 3614414400 = 5642^2 + 60120^2 .

It is a super-2 number, since 2×3646246564² = 26590228010963612192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3646246561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227602 + ... + 243094.

It is an arithmetic number, because the mean of its divisors is an integer number (281611197).

Almost surely, 2^3646246564 is an apocalyptic number.

3646246564 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3646246564 is a deficient number, since it is larger than the sum of its proper divisors (3112422164).

3646246564 is a wasteful number, since it uses less digits than its factorization.

3646246564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18975 (or 18973 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 46.

The square root of 3646246564 is about 60384.1582205134. The cubic root of 3646246564 is about 1539.1537718860.

The spelling of 3646246564 in words is "three billion, six hundred forty-six million, two hundred forty-six thousand, five hundred sixty-four".