18942954055 has 16 divisors (see below), whose sum is σ = 24241865760. Its totient is φ = 14160310272.

The previous prime is 18942954049. The next prime is 18942954067. The reversal of 18942954055 is 55045924981.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18942954055 - 2¹³ = 18942945863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18942953993 and 18942954011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789834 + ... + 813463.

It is an arithmetic number, because the mean of its divisors is an integer number (1515116610).

Almost surely, 2^18942954055 is an apocalyptic number.

18942954055 is a deficient number, since it is larger than the sum of its proper divisors (5298911705).

18942954055 is a wasteful number, since it uses less digits than its factorization.

18942954055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603458.

The product of its (nonzero) digits is 2592000, while the sum is 52.

The spelling of 18942954055 in words is "eighteen billion, nine hundred forty-two million, nine hundred fifty-four thousand, fifty-five".