3654644365 has 8 divisors (see below), whose sum is σ = 4387281408. Its totient is φ = 2922576720.

The previous prime is 3654644299. The next prime is 3654644381. The reversal of 3654644365 is 5634464563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3654644365 - 2⁷ = 3654644237 is a prime.

It is a Duffinian number.

It is a congruent 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, 128097 + ... + 154006.

It is an arithmetic number, because the mean of its divisors is an integer number (548410176).

Almost surely, 2^3654644365 is an apocalyptic number.

It is an amenable number.

3654644365 is a deficient number, since it is larger than the sum of its proper divisors (732637043).

3654644365 is a wasteful number, since it uses less digits than its factorization.

3654644365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284699.

The product of its digits is 3110400, while the sum is 46.

The square root of 3654644365 is about 60453.6546868756. The cubic root of 3654644365 is about 1540.3344926143.

The spelling of 3654644365 in words is "three billion, six hundred fifty-four million, six hundred forty-four thousand, three hundred sixty-five".