3649595663 has 4 divisors (see below), whose sum is σ = 4170966480. Its totient is φ = 3128224848.

The previous prime is 3649595641. The next prime is 3649595699. The reversal of 3649595663 is 3665959463.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3649595663 - 2¹² = 3649591567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3649595599 and 3649595608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649592663) 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, 260685398 + ... + 260685411.

It is an arithmetic number, because the mean of its divisors is an integer number (1042741620).

Almost surely, 2^3649595663 is an apocalyptic number.

3649595663 is a deficient number, since it is larger than the sum of its proper divisors (521370817).

3649595663 is an equidigital number, since it uses as much as digits as its factorization.

3649595663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521370816.

The product of its digits is 15746400, while the sum is 56.

The square root of 3649595663 is about 60411.8834584720. The cubic root of 3649595663 is about 1539.6248682899.

The spelling of 3649595663 in words is "three billion, six hundred forty-nine million, five hundred ninety-five thousand, six hundred sixty-three".