14207305665986 has 4 divisors (see below), whose sum is σ = 21310958498982. Its totient is φ = 7103652832992.

The previous prime is 14207305665919. The next prime is 14207305665997. The reversal of 14207305665986 is 68956650370241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11980701529225 + 2226604136761 = 3461315^2 + 1492181^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3551826416495 + ... + 3551826416498.

It is a 1-persistent number, because it is pandigital, but 2⋅14207305665986 = 28414611331972 is not.

Almost surely, 2^{14207305665986} is an apocalyptic number.

14207305665986 is a deficient number, since it is larger than the sum of its proper divisors (7103652832996).

14207305665986 is an equidigital number, since it uses as much as digits as its factorization.

14207305665986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103652832995.

The product of its (nonzero) digits is 65318400, while the sum is 62.

The spelling of 14207305665986 in words is "fourteen trillion, two hundred seven billion, three hundred five million, six hundred sixty-five thousand, nine hundred eighty-six".