19481545006 has 64 divisors (see below), whose sum is σ = 39673152000. Its totient is φ = 6942741120.

The previous prime is 19481544983. The next prime is 19481545019. The reversal of 19481545006 is 60054518491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29941 + ... + 199648.

It is an arithmetic number, because the mean of its divisors is an integer number (619893000).

Almost surely, 2^19481545006 is an apocalyptic number.

19481545006 is an abundant number, since it is smaller than the sum of its proper divisors (20191606994).

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

19481545006 is a wasteful number, since it uses less digits than its factorization.

19481545006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229657.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 19481545006 in words is "nineteen billion, four hundred eighty-one million, five hundred forty-five thousand, six".