6986504621417 has 2 divisors, whose sum is σ = 6986504621418. Its totient is φ = 6986504621416.

The previous prime is 6986504621387. The next prime is 6986504621419. The reversal of 6986504621417 is 7141264056896.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4075509026521 + 2910995594896 = 2018789^2 + 1706164^2 .

It is a cyclic number.

It is not a de Polignac number, because 6986504621417 - 2¹⁴ = 6986504605033 is a prime.

It is a super-2 number, since 2×6986504621417² (a number of 26 digits) contains 22 as substring.

Together with 6986504621419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6986504621419) 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, 3493252310708 + 3493252310709.

It is an arithmetic number, because the mean of its divisors is an integer number (3493252310709).

Almost surely, 2^{6986504621417} is an apocalyptic number.

It is an amenable number.

6986504621417 is a deficient number, since it is larger than the sum of its proper divisors (1).

6986504621417 is an equidigital number, since it uses as much as digits as its factorization.

6986504621417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 6986504621417 in words is "six trillion, nine hundred eighty-six billion, five hundred four million, six hundred twenty-one thousand, four hundred seventeen".