13648293078 has 64 divisors (see below), whose sum is σ = 31686584832. Its totient is φ = 3838544640.

The previous prime is 13648293067. The next prime is 13648293079. The reversal of 13648293078 is 87039284631.

It is a self number, because there is not a number n which added to its sum of digits gives 13648293078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13648293079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 972600 + ... + 986532.

It is an arithmetic number, because the mean of its divisors is an integer number (495102888).

Almost surely, 2^13648293078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13648293078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15843292416).

13648293078 is an abundant number, since it is smaller than the sum of its proper divisors (18038291754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13648293078 is a wasteful number, since it uses less digits than its factorization.

13648293078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14309.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 13648293078 in words is "thirteen billion, six hundred forty-eight million, two hundred ninety-three thousand, seventy-eight".