18348642322948 has 24 divisors (see below), whose sum is σ = 36697400936000. Its totient is φ = 7863678933408.

The previous prime is 18348642322921. The next prime is 18348642322949. The reversal of 18348642322948 is 84922324684381.

It is a self number, because there is not a number n which added to its sum of digits gives 18348642322948.

It is not an unprimeable number, because it can be changed into a prime (18348642322949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10022518 + ... + 11711026.

Almost surely, 2^{18348642322948} is an apocalyptic number.

It is an amenable number.

18348642322948 is an abundant number, since it is smaller than the sum of its proper divisors (18348758613052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18348642322948 is a wasteful number, since it uses less digits than its factorization.

18348642322948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076619 (or 2076617 counting only the distinct ones).

The product of its digits is 127401984, while the sum is 64.

The spelling of 18348642322948 in words is "eighteen trillion, three hundred forty-eight billion, six hundred forty-two million, three hundred twenty-two thousand, nine hundred forty-eight".