3647394413345 has 8 divisors (see below), whose sum is σ = 4377131726976. Its totient is φ = 2917743243376.

The previous prime is 3647394413293. The next prime is 3647394413363. The reversal of 3647394413345 is 5433144937463.

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 3647394413345 - 2⁶ = 3647394413281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21442727 + ... + 21612156.

It is an arithmetic number, because the mean of its divisors is an integer number (547141465872).

Almost surely, 2^{3647394413345} is an apocalyptic number.

It is an amenable number.

3647394413345 is a deficient number, since it is larger than the sum of its proper divisors (729737313631).

3647394413345 is a wasteful number, since it uses less digits than its factorization.

3647394413345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43071831.

The product of its digits is 39191040, while the sum is 56.

The spelling of 3647394413345 in words is "three trillion, six hundred forty-seven billion, three hundred ninety-four million, four hundred thirteen thousand, three hundred forty-five".