3664240865 has 8 divisors (see below), whose sum is σ = 4405130880. Its totient is φ = 2926031472.

The previous prime is 3664240849. The next prime is 3664240871. The reversal of 3664240865 is 5680424663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3664240865 - 2⁴ = 3664240849 is a prime.

It is a super-3 number, since 3×3664240865³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667145 + ... + 672614.

It is an arithmetic number, because the mean of its divisors is an integer number (550641360).

Almost surely, 2^3664240865 is an apocalyptic number.

It is an amenable number.

3664240865 is a deficient number, since it is larger than the sum of its proper divisors (740890015).

3664240865 is a wasteful number, since it uses less digits than its factorization.

3664240865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340311.

The product of its (nonzero) digits is 829440, while the sum is 44.

The square root of 3664240865 is about 60532.9733698916. The cubic root of 3664240865 is about 1541.6815366409.

The spelling of 3664240865 in words is "three billion, six hundred sixty-four million, two hundred forty thousand, eight hundred sixty-five".