14400412009 has 2 divisors, whose sum is σ = 14400412010. Its totient is φ = 14400412008.

The previous prime is 14400412007. The next prime is 14400412043. The reversal of 14400412009 is 90021400441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14215315984 + 185096025 = 119228^2 + 13605^2 .

It is a cyclic number.

It is not a de Polignac number, because 14400412009 - 2¹ = 14400412007 is a prime.

Together with 14400412007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14400412007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7200206004 + 7200206005.

It is an arithmetic number, because the mean of its divisors is an integer number (7200206005).

Almost surely, 2^14400412009 is an apocalyptic number.

It is an amenable number.

14400412009 is a deficient number, since it is larger than the sum of its proper divisors (1).

14400412009 is an equidigital number, since it uses as much as digits as its factorization.

14400412009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

It can be divided in two parts, 14400 and 412009, that added together give a square (426409 = 653²).

The spelling of 14400412009 in words is "fourteen billion, four hundred million, four hundred twelve thousand, nine".