14406980861 has 32 divisors (see below), whose sum is σ = 17843739648. Its totient is φ = 11327143680.

The previous prime is 14406980851. The next prime is 14406980873. The reversal of 14406980861 is 16808960441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14406980861 is a prime.

It is a super-2 number, since 2×14406980861² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14406980851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18076115 + ... + 18076911.

It is an arithmetic number, because the mean of its divisors is an integer number (557616864).

Almost surely, 2^14406980861 is an apocalyptic number.

It is an amenable number.

14406980861 is a deficient number, since it is larger than the sum of its proper divisors (3436758787).

14406980861 is a wasteful number, since it uses less digits than its factorization.

14406980861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 14406980861 in words is "fourteen billion, four hundred six million, nine hundred eighty thousand, eight hundred sixty-one".