13776744601 has 4 divisors (see below), whose sum is σ = 14112762804. Its totient is φ = 13440726400.

The previous prime is 13776744589. The next prime is 13776744629. The reversal of 13776744601 is 10644767731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10644767731 = 13 ⋅818828287.

It can be written as a sum of positive squares in 2 ways, for example, as 5718989376 + 8057755225 = 75624^2 + 89765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13776744601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13776744671) 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, 168009040 + ... + 168009121.

It is an arithmetic number, because the mean of its divisors is an integer number (3528190701).

Almost surely, 2^13776744601 is an apocalyptic number.

It is an amenable number.

13776744601 is a deficient number, since it is larger than the sum of its proper divisors (336018203).

13776744601 is an equidigital number, since it uses as much as digits as its factorization.

13776744601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336018202.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 13776744601 in words is "thirteen billion, seven hundred seventy-six million, seven hundred forty-four thousand, six hundred one".