13949717078336 has 56 divisors (see below), whose sum is σ = 30089419587360. Its totient is φ = 6378159601152.

The previous prime is 13949717078329. The next prime is 13949717078359. The reversal of 13949717078336 is 63387071794931.

It is a super-3 number, since 3×13949717078336³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78259046 + ... + 78437093.

It is an arithmetic number, because the mean of its divisors is an integer number (537311064060).

Almost surely, 2^{13949717078336} is an apocalyptic number.

13949717078336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13949717078336 is an abundant number, since it is smaller than the sum of its proper divisors (16139702509024).

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

13949717078336 is a wasteful number, since it uses less digits than its factorization.

13949717078336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156696271 (or 156696261 counting only the distinct ones).

The product of its (nonzero) digits is 144027072, while the sum is 68.

The spelling of 13949717078336 in words is "thirteen trillion, nine hundred forty-nine billion, seven hundred seventeen million, seventy-eight thousand, three hundred thirty-six".