13081623274648 has 16 divisors (see below), whose sum is σ = 24930142716960. Its totient is φ = 6433585216800.

The previous prime is 13081623274529. The next prime is 13081623274649. The reversal of 13081623274648 is 84647232618031.

It is a super-2 number, since 2×13081623274648² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13081623274649) 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, 13403302048 + ... + 13403303023.

It is an arithmetic number, because the mean of its divisors is an integer number (1558133919810).

Almost surely, 2^{13081623274648} is an apocalyptic number.

It is an amenable number.

13081623274648 is a deficient number, since it is larger than the sum of its proper divisors (11848519442312).

13081623274648 is a wasteful number, since it uses less digits than its factorization.

13081623274648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26806605138 (or 26806605134 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 13081623274648 in words is "thirteen trillion, eighty-one billion, six hundred twenty-three million, two hundred seventy-four thousand, six hundred forty-eight".