14871946861 has 4 divisors (see below), whose sum is σ = 14872741312. Its totient is φ = 14871152412.

The previous prime is 14871946853. The next prime is 14871946877. The reversal of 14871946861 is 16864917841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14871946861 - 2³ = 14871946853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14871946801) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 368451 + ... + 406816.

It is an arithmetic number, because the mean of its divisors is an integer number (3718185328).

Almost surely, 2^14871946861 is an apocalyptic number.

It is an amenable number.

14871946861 is a deficient number, since it is larger than the sum of its proper divisors (794451).

14871946861 is an equidigital number, since it uses as much as digits as its factorization.

14871946861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794450.

The product of its digits is 2322432, while the sum is 55.

The spelling of 14871946861 in words is "fourteen billion, eight hundred seventy-one million, nine hundred forty-six thousand, eight hundred sixty-one".