14942639786 has 8 divisors (see below), whose sum is σ = 22416268644. Its totient is φ = 7470550240.

The previous prime is 14942639771. The next prime is 14942639807. The reversal of 14942639786 is 68793624941.

It can be written as a sum of positive squares in 2 ways, for example, as 14586600625 + 356039161 = 120775^2 + 18869^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 360245 + ... + 399576.

Almost surely, 2^14942639786 is an apocalyptic number.

14942639786 is a deficient number, since it is larger than the sum of its proper divisors (7473628858).

14942639786 is an equidigital number, since it uses as much as digits as its factorization.

14942639786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769656.

The product of its digits is 15676416, while the sum is 59.

The spelling of 14942639786 in words is "fourteen billion, nine hundred forty-two million, six hundred thirty-nine thousand, seven hundred eighty-six".