13758270997 has 2 divisors, whose sum is σ = 13758270998. Its totient is φ = 13758270996.

The previous prime is 13758270979. The next prime is 13758271019. The reversal of 13758270997 is 79907285731.

Together with previous prime (13758270979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8020814481 + 5737456516 = 89559^2 + 75746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13758270997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13758270907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6879135498 + 6879135499.

It is an arithmetic number, because the mean of its divisors is an integer number (6879135499).

Almost surely, 2^13758270997 is an apocalyptic number.

It is an amenable number.

13758270997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13758270997 is an equidigital number, since it uses as much as digits as its factorization.

13758270997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6667920, while the sum is 58.

The spelling of 13758270997 in words is "thirteen billion, seven hundred fifty-eight million, two hundred seventy thousand, nine hundred ninety-seven".