14278122493 has 2 divisors, whose sum is σ = 14278122494. Its totient is φ = 14278122492.

The previous prime is 14278122491. The next prime is 14278122539. The reversal of 14278122493 is 39422187241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11226885849 + 3051236644 = 105957^2 + 55238^2 .

It is a cyclic number.

It is not a de Polignac number, because 14278122493 - 2¹ = 14278122491 is a prime.

It is a super-2 number, since 2×14278122493² (a number of 21 digits) contains 22 as substring.

Together with 14278122491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14278122491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7139061246 + 7139061247.

It is an arithmetic number, because the mean of its divisors is an integer number (7139061247).

Almost surely, 2^14278122493 is an apocalyptic number.

It is an amenable number.

14278122493 is a deficient number, since it is larger than the sum of its proper divisors (1).

14278122493 is an equidigital number, since it uses as much as digits as its factorization.

14278122493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The spelling of 14278122493 in words is "fourteen billion, two hundred seventy-eight million, one hundred twenty-two thousand, four hundred ninety-three".