13946944958 has 4 divisors (see below), whose sum is σ = 20920417440. Its totient is φ = 6973472478.

The previous prime is 13946944937. The next prime is 13946944961. The reversal of 13946944958 is 85944964931.

13946944958 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×13946944958² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13946944958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3486736238 + ... + 3486736241.

It is an arithmetic number, because the mean of its divisors is an integer number (5230104360).

Almost surely, 2^13946944958 is an apocalyptic number.

13946944958 is a deficient number, since it is larger than the sum of its proper divisors (6973472482).

13946944958 is an equidigital number, since it uses as much as digits as its factorization.

13946944958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6973472481.

The product of its digits is 33592320, while the sum is 62.

The spelling of 13946944958 in words is "thirteen billion, nine hundred forty-six million, nine hundred forty-four thousand, nine hundred fifty-eight".