45405066647 has 2 divisors, whose sum is σ = 45405066648. Its totient is φ = 45405066646.

The previous prime is 45405066599. The next prime is 45405066649. The reversal of 45405066647 is 74666050454.

45405066647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45405066647 - 2¹⁰ = 45405065623 is a prime.

Together with 45405066649, 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 (45405066649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22702533323 + 22702533324.

It is an arithmetic number, because the mean of its divisors is an integer number (22702533324).

Almost surely, 2^45405066647 is an apocalyptic number.

45405066647 is a deficient number, since it is larger than the sum of its proper divisors (1).

45405066647 is an equidigital number, since it uses as much as digits as its factorization.

45405066647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 45405066647 in words is "forty-five billion, four hundred five million, sixty-six thousand, six hundred forty-seven".