14416123921 has 2 divisors, whose sum is σ = 14416123922. Its totient is φ = 14416123920.

The previous prime is 14416123919. The next prime is 14416123933. The reversal of 14416123921 is 12932161441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11916123921 + 2500000000 = 109161^2 + 50000^2 .

It is a cyclic number.

It is not a de Polignac number, because 14416123921 - 2¹ = 14416123919 is a prime.

Together with 14416123919, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14416123901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7208061960 + 7208061961.

It is an arithmetic number, because the mean of its divisors is an integer number (7208061961).

Almost surely, 2^14416123921 is an apocalyptic number.

It is an amenable number.

14416123921 is a deficient number, since it is larger than the sum of its proper divisors (1).

14416123921 is an equidigital number, since it uses as much as digits as its factorization.

14416123921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The spelling of 14416123921 in words is "fourteen billion, four hundred sixteen million, one hundred twenty-three thousand, nine hundred twenty-one".