13952975251 has 2 divisors, whose sum is σ = 13952975252. Its totient is φ = 13952975250.

The previous prime is 13952975249. The next prime is 13952975273. The reversal of 13952975251 is 15257925931.

It is a weak prime.

It is an emirp because it is prime and its reverse (15257925931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13952975251 - 2¹ = 13952975249 is a prime.

Together with 13952975249, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13952975195 and 13952975204.

It is not a weakly prime, because it can be changed into another prime (13952975051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6976487625 + 6976487626.

It is an arithmetic number, because the mean of its divisors is an integer number (6976487626).

Almost surely, 2^13952975251 is an apocalyptic number.

13952975251 is a deficient number, since it is larger than the sum of its proper divisors (1).

13952975251 is an equidigital number, since it uses as much as digits as its factorization.

13952975251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 850500, while the sum is 49.

The spelling of 13952975251 in words is "thirteen billion, nine hundred fifty-two million, nine hundred seventy-five thousand, two hundred fifty-one".