19498574948 has 12 divisors (see below), whose sum is σ = 34130961900. Its totient is φ = 9746871552.

The previous prime is 19498574929. The next prime is 19498574951. The reversal of 19498574948 is 84947589491.

It can be written as a sum of positive squares in 2 ways, for example, as 12830545984 + 6668028964 = 113272^2 + 81658^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585761 + ... + 618152.

It is an arithmetic number, because the mean of its divisors is an integer number (2844246825).

Almost surely, 2^19498574948 is an apocalyptic number.

It is an amenable number.

19498574948 is a deficient number, since it is larger than the sum of its proper divisors (14632386952).

19498574948 is a wasteful number, since it uses less digits than its factorization.

19498574948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207966 (or 1207964 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 68.

The spelling of 19498574948 in words is "nineteen billion, four hundred ninety-eight million, five hundred seventy-four thousand, nine hundred forty-eight".