19708268475 has 192 divisors, whose sum is σ = 39597465600. Its totient is φ = 8462361600.

The previous prime is 19708268473. The next prime is 19708268479. The reversal of 19708268475 is 57486280791.

Together with 19889197124 it forms a betrothed pair.

It is not a de Polignac number, because 19708268475 - 2¹ = 19708268473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19708268473) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 99036426 + ... + 99036624.

It is an arithmetic number, because the mean of its divisors is an integer number (206236800).

Almost surely, 2^19708268475 is an apocalyptic number.

19708268475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19708268475 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

19708268475 is a wasteful number, since it uses less digits than its factorization.

19708268475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 19708268475 in words is "nineteen billion, seven hundred eight million, two hundred sixty-eight thousand, four hundred seventy-five".