18854349241 has 8 divisors (see below), whose sum is σ = 23205353024. Its totient is φ = 14917726800.

The previous prime is 18854349193. The next prime is 18854349247. The reversal of 18854349241 is 14294345881.

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 18854349241 - 2¹³ = 18854341049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18854349247) 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, 103595235 + ... + 103595416.

It is an arithmetic number, because the mean of its divisors is an integer number (2900669128).

Almost surely, 2^18854349241 is an apocalyptic number.

It is an amenable number.

18854349241 is a deficient number, since it is larger than the sum of its proper divisors (4351003783).

18854349241 is a wasteful number, since it uses less digits than its factorization.

18854349241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207190671.

The product of its digits is 1105920, while the sum is 49.

The spelling of 18854349241 in words is "eighteen billion, eight hundred fifty-four million, three hundred forty-nine thousand, two hundred forty-one".