13948953767 has 4 divisors (see below), whose sum is σ = 15941661456. Its totient is φ = 11956246080.

The previous prime is 13948953763. The next prime is 13948953779. The reversal of 13948953767 is 76735984931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76735984931 = 19 ⋅4038736049.

It is a cyclic number.

It is not a de Polignac number, because 13948953767 - 2² = 13948953763 is a prime.

It is a super-2 number, since 2×13948953767² (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 (13948953763) 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, 996353834 + ... + 996353847.

It is an arithmetic number, because the mean of its divisors is an integer number (3985415364).

Almost surely, 2^13948953767 is an apocalyptic number.

13948953767 is a deficient number, since it is larger than the sum of its proper divisors (1992707689).

13948953767 is an equidigital number, since it uses as much as digits as its factorization.

13948953767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992707688.

The product of its digits is 34292160, while the sum is 62.

The spelling of 13948953767 in words is "thirteen billion, nine hundred forty-eight million, nine hundred fifty-three thousand, seven hundred sixty-seven".