18929910010 has 16 divisors (see below), whose sum is σ = 37171459872. Its totient is φ = 6883603600.

The previous prime is 18929910001. The next prime is 18929910011. The reversal of 18929910010 is 1001992981.

It is not an unprimeable number, because it can be changed into a prime (18929910011) 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, 86044936 + ... + 86045155.

It is an arithmetic number, because the mean of its divisors is an integer number (2323216242).

Almost surely, 2^18929910010 is an apocalyptic number.

18929910010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18929910010 is a deficient number, since it is larger than the sum of its proper divisors (18241549862).

18929910010 is a wasteful number, since it uses less digits than its factorization.

18929910010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172090109.

The product of its (nonzero) digits is 11664, while the sum is 40.

The spelling of 18929910010 in words is "eighteen billion, nine hundred twenty-nine million, nine hundred ten thousand, ten".