13953208471 has 4 divisors (see below), whose sum is σ = 13953841272. Its totient is φ = 13952575672.

The previous prime is 13953208463. The next prime is 13953208499. The reversal of 13953208471 is 17480235931.

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

It is a cyclic number.

It is not a de Polignac number, because 13953208471 - 2³ = 13953208463 is a prime.

It is a super-3 number, since 3×13953208471³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13953208411) 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 3 ways as a sum of consecutive naturals, for example, 282085 + ... + 327838.

It is an arithmetic number, because the mean of its divisors is an integer number (3488460318).

Almost surely, 2^13953208471 is an apocalyptic number.

13953208471 is a deficient number, since it is larger than the sum of its proper divisors (632801).

13953208471 is an equidigital number, since it uses as much as digits as its factorization.

13953208471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632800.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 13953208471 in words is "thirteen billion, nine hundred fifty-three million, two hundred eight thousand, four hundred seventy-one".