19467908012 has 24 divisors (see below), whose sum is σ = 39988137504. Its totient is φ = 8117891712.

The previous prime is 19467907981. The next prime is 19467908069. The reversal of 19467908012 is 21080976491.

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, 9394673 + ... + 9396744.

It is an arithmetic number, because the mean of its divisors is an integer number (1666172396).

Almost surely, 2^19467908012 is an apocalyptic number.

It is an amenable number.

19467908012 is an abundant number, since it is smaller than the sum of its proper divisors (20520229492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19467908012 is a wasteful number, since it uses less digits than its factorization.

19467908012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18791465 (or 18791463 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 19467908012 in words is "nineteen billion, four hundred sixty-seven million, nine hundred eight thousand, twelve".