19634675748 has 24 divisors (see below), whose sum is σ = 45824211552. Its totient is φ = 6543467904.

The previous prime is 19634675717. The next prime is 19634675833. The reversal of 19634675748 is 84757643691.

It is a junction number, because it is equal to n+sod(n) for n = 19634675691 and 19634675700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119790 + ... + 231557.

It is an arithmetic number, because the mean of its divisors is an integer number (1909342148).

Almost surely, 2^19634675748 is an apocalyptic number.

It is an amenable number.

19634675748 is an abundant number, since it is smaller than the sum of its proper divisors (26189535804).

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

19634675748 is a wasteful number, since it uses less digits than its factorization.

19634675748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356011 (or 356009 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 60.

The spelling of 19634675748 in words is "nineteen billion, six hundred thirty-four million, six hundred seventy-five thousand, seven hundred forty-eight".