13605049616 has 10 divisors (see below), whose sum is σ = 26359783662. Its totient is φ = 6802524800.

The previous prime is 13605049567. The next prime is 13605049651. The reversal of 13605049616 is 61694050631.

It can be written as a sum of positive squares in only one way, i.e., 12544896016 + 1060153600 = 112004^2 + 32560^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425157785 + ... + 425157816.

Almost surely, 2^13605049616 is an apocalyptic number.

13605049616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13605049616 is a deficient number, since it is larger than the sum of its proper divisors (12754734046).

13605049616 is an equidigital number, since it uses as much as digits as its factorization.

13605049616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850315609 (or 850315603 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 13605049616 in words is "thirteen billion, six hundred five million, forty-nine thousand, six hundred sixteen".