13952639947068 has 48 divisors (see below), whose sum is σ = 36180929504160. Its totient is φ = 4649926171392.

The previous prime is 13952639947063. The next prime is 13952639947091. The reversal of 13952639947068 is 86074993625931.

13952639947068 is a `hidden beast` number, since 1 + 3 + 9 + 5 + 2 + 6 + 3 + 99 + 470 + 68 = 666.

It is a super-2 number, since 2×13952639947068² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13952639946987 and 13952639947005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13952639947063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12718221 + ... + 13771652.

It is an arithmetic number, because the mean of its divisors is an integer number (753769364670).

It is a 2-persistent number, because it is pandigital, and so is 2⋅13952639947068 = 27905279894136, but 3⋅13952639947068 = 41857919841204 is not.

Almost surely, 2^{13952639947068} is an apocalyptic number.

13952639947068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13952639947068 is an abundant number, since it is smaller than the sum of its proper divisors (22228289557092).

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

13952639947068 is a wasteful number, since it uses less digits than its factorization.

13952639947068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26494763 (or 26494755 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 72.

The spelling of 13952639947068 in words is "thirteen trillion, nine hundred fifty-two billion, six hundred thirty-nine million, nine hundred forty-seven thousand, sixty-eight".