14640000409 has 2 divisors, whose sum is σ = 14640000410. Its totient is φ = 14640000408.

The previous prime is 14640000407. The next prime is 14640000413. The reversal of 14640000409 is 90400004641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11224766809 + 3415233600 = 105947^2 + 58440^2 .

It is a cyclic number.

It is not a de Polignac number, because 14640000409 - 2¹ = 14640000407 is a prime.

It is a super-2 number, since 2×14640000409² (a number of 21 digits) contains 22 as substring.

Together with 14640000407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14640000407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7320000204 + 7320000205.

It is an arithmetic number, because the mean of its divisors is an integer number (7320000205).

Almost surely, 2^14640000409 is an apocalyptic number.

It is an amenable number.

14640000409 is a deficient number, since it is larger than the sum of its proper divisors (1).

14640000409 is an equidigital number, since it uses as much as digits as its factorization.

14640000409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 14640000409 in words is "fourteen billion, six hundred forty million, four hundred nine", and thus it is an aban number.