13448861801 has 4 divisors (see below), whose sum is σ = 13449343572. Its totient is φ = 13448380032.

The previous prime is 13448861771. The next prime is 13448861807. The reversal of 13448861801 is 10816884431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6913756201 + 6535105600 = 83149^2 + 80840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13448861801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13448861807) 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, 196256 + ... + 255761.

It is an arithmetic number, because the mean of its divisors is an integer number (3362335893).

Almost surely, 2^13448861801 is an apocalyptic number.

It is an amenable number.

13448861801 is a deficient number, since it is larger than the sum of its proper divisors (481771).

13448861801 is an equidigital number, since it uses as much as digits as its factorization.

13448861801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481770.

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 13448861801 in words is "thirteen billion, four hundred forty-eight million, eight hundred sixty-one thousand, eight hundred one".