3645200693 has 4 divisors (see below), whose sum is σ = 3652171008. Its totient is φ = 3638230380.

The previous prime is 3645200677. The next prime is 3645200719. The reversal of 3645200693 is 3960025463.

3645200693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3960025463 = 15877 ⋅249419.

It is a cyclic number.

It is not a de Polignac number, because 3645200693 - 2⁴ = 3645200677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645200093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3484373 + ... + 3485418.

It is an arithmetic number, because the mean of its divisors is an integer number (913042752).

Almost surely, 2^3645200693 is an apocalyptic number.

It is an amenable number.

3645200693 is a deficient number, since it is larger than the sum of its proper divisors (6970315).

3645200693 is an equidigital number, since it uses as much as digits as its factorization.

3645200693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6970314.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 3645200693 is about 60375.4974555076. The cubic root of 3645200693 is about 1539.0065967748.

The spelling of 3645200693 in words is "three billion, six hundred forty-five million, two hundred thousand, six hundred ninety-three".