19628358748 has 6 divisors (see below), whose sum is σ = 34349627816. Its totient is φ = 9814179372.

The previous prime is 19628358727. The next prime is 19628358749. The reversal of 19628358748 is 84785382691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19628358749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2453544840 + ... + 2453544847.

Almost surely, 2^19628358748 is an apocalyptic number.

It is an amenable number.

19628358748 is a deficient number, since it is larger than the sum of its proper divisors (14721269068).

19628358748 is a wasteful number, since it uses less digits than its factorization.

19628358748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907089691 (or 4907089689 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 61.

The spelling of 19628358748 in words is "nineteen billion, six hundred twenty-eight million, three hundred fifty-eight thousand, seven hundred forty-eight".