13967994774 has 16 divisors (see below), whose sum is σ = 27960747120. Its totient is φ = 4651872000.

The previous prime is 13967994773. The next prime is 13967994779. The reversal of 13967994774 is 47749976931.

13967994774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13967994774² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13967994773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024227 + ... + 1037774.

It is an arithmetic number, because the mean of its divisors is an integer number (1747546695).

Almost surely, 2^13967994774 is an apocalyptic number.

13967994774 is an abundant number, since it is smaller than the sum of its proper divisors (13992752346).

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

13967994774 is a wasteful number, since it uses less digits than its factorization.

13967994774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063135.

The product of its digits is 72013536, while the sum is 66.

The spelling of 13967994774 in words is "thirteen billion, nine hundred sixty-seven million, nine hundred ninety-four thousand, seven hundred seventy-four".