15401214223009 has 2 divisors, whose sum is σ = 15401214223010. Its totient is φ = 15401214223008.

The previous prime is 15401214223007. The next prime is 15401214223061. The reversal of 15401214223009 is 90032241210451.

15401214223009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14114838608784 + 1286375614225 = 3756972^2 + 1134185^2 .

It is a cyclic number.

It is not a de Polignac number, because 15401214223009 - 2¹ = 15401214223007 is a prime.

Together with 15401214223007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15401214223007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7700607111504 + 7700607111505.

It is an arithmetic number, because the mean of its divisors is an integer number (7700607111505).

Almost surely, 2^{15401214223009} is an apocalyptic number.

It is an amenable number.

15401214223009 is a deficient number, since it is larger than the sum of its proper divisors (1).

15401214223009 is an equidigital number, since it uses as much as digits as its factorization.

15401214223009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 15401214223009 in words is "fifteen trillion, four hundred one billion, two hundred fourteen million, two hundred twenty-three thousand, nine".