10660254340397 has 2 divisors, whose sum is σ = 10660254340398. Its totient is φ = 10660254340396.

The previous prime is 10660254340369. The next prime is 10660254340441. The reversal of 10660254340397 is 79304345206601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6152017066276 + 4508237274121 = 2480326^2 + 2123261^2 .

It is an emirp because it is prime and its reverse (79304345206601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10660254340397 - 2¹² = 10660254336301 is a prime.

It is a super-2 number, since 2×10660254340397² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10660254360397) 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 as a sum of consecutive naturals, namely, 5330127170198 + 5330127170199.

It is an arithmetic number, because the mean of its divisors is an integer number (5330127170199).

Almost surely, 2^{10660254340397} is an apocalyptic number.

It is an amenable number.

10660254340397 is a deficient number, since it is larger than the sum of its proper divisors (1).

10660254340397 is an equidigital number, since it uses as much as digits as its factorization.

10660254340397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 50.

Adding to 10660254340397 its reverse (79304345206601), we get a palindrome (89964599546998).

The spelling of 10660254340397 in words is "ten trillion, six hundred sixty billion, two hundred fifty-four million, three hundred forty thousand, three hundred ninety-seven".