18629771105 has 16 divisors (see below), whose sum is σ = 24391240128. Its totient is φ = 13547160000.

The previous prime is 18629771089. The next prime is 18629771141. The reversal of 18629771105 is 50117792681.

It is not a de Polignac number, because 18629771105 - 2⁴ = 18629771089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18629771105.

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, 527450 + ... + 561660.

It is an arithmetic number, because the mean of its divisors is an integer number (1524452508).

Almost surely, 2^18629771105 is an apocalyptic number.

It is an amenable number.

18629771105 is a deficient number, since it is larger than the sum of its proper divisors (5761469023).

18629771105 is a wasteful number, since it uses less digits than its factorization.

18629771105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44128.

The product of its (nonzero) digits is 211680, while the sum is 47.

The spelling of 18629771105 in words is "eighteen billion, six hundred twenty-nine million, seven hundred seventy-one thousand, one hundred five".