18945454095 has 40 divisors (see below), whose sum is σ = 33988607664. Its totient is φ = 10096171776.

The previous prime is 18945454093. The next prime is 18945454117. The reversal of 18945454095 is 59045454981.

18945454095 is a `hidden beast` number, since 1 + 8 + 9 + 4 + 5 + 4 + 540 + 95 = 666.

It is not a de Polignac number, because 18945454095 - 2¹ = 18945454093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18945454091) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 507252 + ... + 543318.

Almost surely, 2^18945454095 is an apocalyptic number.

18945454095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18945454095 is a deficient number, since it is larger than the sum of its proper divisors (15043153569).

18945454095 is a wasteful number, since it uses less digits than its factorization.

18945454095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37381 (or 37372 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 18945454095 in words is "eighteen billion, nine hundred forty-five million, four hundred fifty-four thousand, ninety-five".