3640443146635 has 8 divisors (see below), whose sum is σ = 4399960062960. Its totient is φ = 2891402325984.

The previous prime is 3640443146633. The next prime is 3640443146657. The reversal of 3640443146635 is 5366413440463.

3640443146635 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3640443146635 - 2¹ = 3640443146633 is a prime.

It is a super-2 number, since 2×3640443146635² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3640443146633) 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, 2619023152 + ... + 2619024541.

It is an arithmetic number, because the mean of its divisors is an integer number (549995007870).

Almost surely, 2^{3640443146635} is an apocalyptic number.

3640443146635 is a deficient number, since it is larger than the sum of its proper divisors (759516916325).

3640443146635 is a wasteful number, since it uses less digits than its factorization.

3640443146635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238047837.

The product of its (nonzero) digits is 7464960, while the sum is 49.

The spelling of 3640443146635 in words is "three trillion, six hundred forty billion, four hundred forty-three million, one hundred forty-six thousand, six hundred thirty-five".