19648982835 has 40 divisors (see below), whose sum is σ = 35243187936. Its totient is φ = 10473338880.

The previous prime is 19648982831. The next prime is 19648982861. The reversal of 19648982835 is 53828984691.

It is not a de Polignac number, because 19648982835 - 2² = 19648982831 is a prime.

It is a super-3 number, since 3×19648982835³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (19648982831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 728307 + ... + 754803.

Almost surely, 2^19648982835 is an apocalyptic number.

19648982835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19648982835 is a deficient number, since it is larger than the sum of its proper divisors (15594205101).

19648982835 is a wasteful number, since it uses less digits than its factorization.

19648982835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28345 (or 28336 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 63.

The spelling of 19648982835 in words is "nineteen billion, six hundred forty-eight million, nine hundred eighty-two thousand, eight hundred thirty-five".