18454774411 has 8 divisors (see below), whose sum is σ = 18569743280. Its totient is φ = 18340156512.

The previous prime is 18454774397. The next prime is 18454774421. The reversal of 18454774411 is 11447745481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18454774411 - 2¹¹ = 18454772363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18454774421) 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, 18145 + ... + 192973.

It is an arithmetic number, because the mean of its divisors is an integer number (2321217910).

Almost surely, 2^18454774411 is an apocalyptic number.

18454774411 is a deficient number, since it is larger than the sum of its proper divisors (114968869).

18454774411 is a wasteful number, since it uses less digits than its factorization.

18454774411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175485.

The product of its digits is 501760, while the sum is 46.

The spelling of 18454774411 in words is "eighteen billion, four hundred fifty-four million, seven hundred seventy-four thousand, four hundred eleven".