19739966883 has 48 divisors (see below), whose sum is σ = 33002151840. Its totient is φ = 10402850304.

The previous prime is 19739966863. The next prime is 19739966927. The reversal of 19739966883 is 38866993791.

It is not a de Polignac number, because 19739966883 - 2¹⁰ = 19739965859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19739966803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2436303 + ... + 2444391.

It is an arithmetic number, because the mean of its divisors is an integer number (687544830).

Almost surely, 2^19739966883 is an apocalyptic number.

19739966883 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

19739966883 is a deficient number, since it is larger than the sum of its proper divisors (13262184957).

19739966883 is a wasteful number, since it uses less digits than its factorization.

19739966883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9396 (or 9389 counting only the distinct ones).

The product of its digits is 105815808, while the sum is 69.

The spelling of 19739966883 in words is "nineteen billion, seven hundred thirty-nine million, nine hundred sixty-six thousand, eight hundred eighty-three".