3654887663 has 8 divisors (see below), whose sum is σ = 4194493440. Its totient is φ = 3119651640.

The previous prime is 3654887659. The next prime is 3654887683. The reversal of 3654887663 is 3667884563.

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

It is not a de Polignac number, because 3654887663 - 2² = 3654887659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3654887599 and 3654887608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654887683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090643 + ... + 1093988.

It is an arithmetic number, because the mean of its divisors is an integer number (524311680).

Almost surely, 2^3654887663 is an apocalyptic number.

3654887663 is a deficient number, since it is larger than the sum of its proper divisors (539605777).

3654887663 is a wasteful number, since it uses less digits than its factorization.

3654887663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184877.

The product of its digits is 17418240, while the sum is 56.

The square root of 3654887663 is about 60455.6669221339. Note that the first 3 decimals coincide. The cubic root of 3654887663 is about 1540.3686730478.

The spelling of 3654887663 in words is "three billion, six hundred fifty-four million, eight hundred eighty-seven thousand, six hundred sixty-three".