3640611601365 has 32 divisors (see below), whose sum is σ = 6175391425536. Its totient is φ = 1828240865280.

The previous prime is 3640611601283. The next prime is 3640611601381. The reversal of 3640611601365 is 5631061160463.

It is not a de Polignac number, because 3640611601365 - 2¹³ = 3640611593173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105783772 + ... + 105818181.

It is an arithmetic number, because the mean of its divisors is an integer number (192980982048).

Almost surely, 2^{3640611601365} is an apocalyptic number.

It is an amenable number.

3640611601365 is a deficient number, since it is larger than the sum of its proper divisors (2534779824171).

3640611601365 is a wasteful number, since it uses less digits than its factorization.

3640611601365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211602029.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 3640611601365 in words is "three trillion, six hundred forty billion, six hundred eleven million, six hundred one thousand, three hundred sixty-five".