13964392297728 has 108 divisors (see below), whose sum is σ = 40579816263168. Its totient is φ = 4618145387520.

The previous prime is 13964392297703. The next prime is 13964392297729. The reversal of 13964392297728 is 82779229346931.

13964392297728 is a `hidden beast` number, since 1 + 39 + 6 + 439 + 2 + 2 + 97 + 72 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13964392297729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23569338 + ... + 24154553.

Almost surely, 2^{13964392297728} is an apocalyptic number.

13964392297728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13964392297728 is an abundant number, since it is smaller than the sum of its proper divisors (26615423965440).

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

13964392297728 is a wasteful number, since it uses less digits than its factorization.

13964392297728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47724040 (or 47724023 counting only the distinct ones).

The product of its digits is 493807104, while the sum is 72.

The spelling of 13964392297728 in words is "thirteen trillion, nine hundred sixty-four billion, three hundred ninety-two million, two hundred ninety-seven thousand, seven hundred twenty-eight".