3645672064787 has 8 divisors (see below), whose sum is σ = 3652810890960. Its totient is φ = 3638539468800.

The previous prime is 3645672064763. The next prime is 3645672064807. The reversal of 3645672064787 is 7874602765463.

3645672064787 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 3645672064787 - 2²² = 3645667870483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3645672064087) 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, 385214 + ... + 2727587.

It is an arithmetic number, because the mean of its divisors is an integer number (456601361370).

Almost surely, 2^{3645672064787} is an apocalyptic number.

3645672064787 is a deficient number, since it is larger than the sum of its proper divisors (7138826173).

3645672064787 is a wasteful number, since it uses less digits than its factorization.

3645672064787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115093.

The product of its (nonzero) digits is 284497920, while the sum is 65.

The spelling of 3645672064787 in words is "three trillion, six hundred forty-five billion, six hundred seventy-two million, sixty-four thousand, seven hundred eighty-seven".