18948323135468 has 24 divisors (see below), whose sum is σ = 33298393534224. Its totient is φ = 9434535710400.

The previous prime is 18948323135393. The next prime is 18948323135491. The reversal of 18948323135468 is 86453132384981.

It is a super-2 number, since 2×18948323135468² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2982338 + ... + 6840393.

It is an arithmetic number, because the mean of its divisors is an integer number (1387433063926).

Almost surely, 2^{18948323135468} is an apocalyptic number.

It is an amenable number.

18948323135468 is a deficient number, since it is larger than the sum of its proper divisors (14350070398756).

18948323135468 is a wasteful number, since it uses less digits than its factorization.

18948323135468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9824753 (or 9824751 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 65.

The spelling of 18948323135468 in words is "eighteen trillion, nine hundred forty-eight billion, three hundred twenty-three million, one hundred thirty-five thousand, four hundred sixty-eight".