3643245255601 has 16 divisors (see below), whose sum is σ = 4181041665664. Its totient is φ = 3109795887744.

The previous prime is 3643245255577. The next prime is 3643245255649. The reversal of 3643245255601 is 1065525423463.

It is not a de Polignac number, because 3643245255601 - 2¹⁵ = 3643245222833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3643245255691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2587861 + ... + 3739453.

It is an arithmetic number, because the mean of its divisors is an integer number (261315104104).

Almost surely, 2^{3643245255601} is an apocalyptic number.

It is an amenable number.

3643245255601 is a deficient number, since it is larger than the sum of its proper divisors (537796410063).

3643245255601 is a wasteful number, since it uses less digits than its factorization.

3643245255601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153480.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 3643245255601 in words is "three trillion, six hundred forty-three billion, two hundred forty-five million, two hundred fifty-five thousand, six hundred one".