18419473082 has 16 divisors (see below), whose sum is σ = 27919406592. Its totient is φ = 9113499600.

The previous prime is 18419473057. The next prime is 18419473153. The reversal of 18419473082 is 28037491481.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49169 + ... + 198132.

It is an arithmetic number, because the mean of its divisors is an integer number (1744962912).

Almost surely, 2^18419473082 is an apocalyptic number.

18419473082 is a deficient number, since it is larger than the sum of its proper divisors (9499933510).

18419473082 is a wasteful number, since it uses less digits than its factorization.

18419473082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247693.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 18419473082 in words is "eighteen billion, four hundred nineteen million, four hundred seventy-three thousand, eighty-two".