3645698273 has 8 divisors (see below), whose sum is σ = 4225196160. Its totient is φ = 3080871360.

The previous prime is 3645698249. The next prime is 3645698279. The reversal of 3645698273 is 3728965463.

It is a happy number.

3645698273 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 not a de Polignac number, because 3645698273 - 2¹⁰ = 3645697249 is a prime.

It is a super-2 number, since 2×3645698273² = 26582231795510365058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3645698279) 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, 3667208 + ... + 3668201.

It is an arithmetic number, because the mean of its divisors is an integer number (528149520).

Almost surely, 2^3645698273 is an apocalyptic number.

It is an amenable number.

3645698273 is a deficient number, since it is larger than the sum of its proper divisors (579497887).

3645698273 is an equidigital number, since it uses as much as digits as its factorization.

3645698273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335487.

The product of its digits is 6531840, while the sum is 53.

The square root of 3645698273 is about 60379.6180262843. The cubic root of 3645698273 is about 1539.0766198111.

The spelling of 3645698273 in words is "three billion, six hundred forty-five million, six hundred ninety-eight thousand, two hundred seventy-three".