18448034497 has 4 divisors (see below), whose sum is σ = 19043132416. Its totient is φ = 17852936580.

The previous prime is 18448034453. The next prime is 18448034569. The reversal of 18448034497 is 79443084481.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 18448034497 - 2⁷ = 18448034369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18448044497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297548913 + ... + 297548974.

It is an arithmetic number, because the mean of its divisors is an integer number (4760783104).

Almost surely, 2^18448034497 is an apocalyptic number.

It is an amenable number.

18448034497 is a deficient number, since it is larger than the sum of its proper divisors (595097919).

18448034497 is an equidigital number, since it uses as much as digits as its factorization.

18448034497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595097918.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 18448034497 in words is "eighteen billion, four hundred forty-eight million, thirty-four thousand, four hundred ninety-seven".