18067484447 has 2 divisors, whose sum is σ = 18067484448. Its totient is φ = 18067484446.

The previous prime is 18067484431. The next prime is 18067484453. The reversal of 18067484447 is 74448476081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18067484447 - 2⁴ = 18067484431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18067484647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9033742223 + 9033742224.

It is an arithmetic number, because the mean of its divisors is an integer number (9033742224).

Almost surely, 2^18067484447 is an apocalyptic number.

18067484447 is a deficient number, since it is larger than the sum of its proper divisors (1).

18067484447 is an equidigital number, since it uses as much as digits as its factorization.

18067484447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4816896, while the sum is 53.

The spelling of 18067484447 in words is "eighteen billion, sixty-seven million, four hundred eighty-four thousand, four hundred forty-seven".