13949456263 has 4 divisors (see below), whose sum is σ = 14009325408. Its totient is φ = 13889587120.

The previous prime is 13949456251. The next prime is 13949456371. The reversal of 13949456263 is 36265494931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13949456263 is a prime.

It is a super-3 number, since 3×13949456263³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13949456263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13949456203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29934223 + ... + 29934688.

It is an arithmetic number, because the mean of its divisors is an integer number (3502331352).

Almost surely, 2^13949456263 is an apocalyptic number.

13949456263 is a deficient number, since it is larger than the sum of its proper divisors (59869145).

13949456263 is an equidigital number, since it uses as much as digits as its factorization.

13949456263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59869144.

The product of its digits is 4199040, while the sum is 52.

The spelling of 13949456263 in words is "thirteen billion, nine hundred forty-nine million, four hundred fifty-six thousand, two hundred sixty-three".