16465013447 has 2 divisors, whose sum is σ = 16465013448. Its totient is φ = 16465013446.

The previous prime is 16465013441. The next prime is 16465013449. The reversal of 16465013447 is 74431056461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16465013447 is a prime.

Together with 16465013449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16465013441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232506723 + 8232506724.

It is an arithmetic number, because the mean of its divisors is an integer number (8232506724).

Almost surely, 2^16465013447 is an apocalyptic number.

16465013447 is a deficient number, since it is larger than the sum of its proper divisors (1).

16465013447 is an equidigital number, since it uses as much as digits as its factorization.

16465013447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 16465013447 in words is "sixteen billion, four hundred sixty-five million, thirteen thousand, four hundred forty-seven".