19900883259 has 6 divisors (see below), whose sum is σ = 28745720276. Its totient is φ = 13267255500.

The previous prime is 19900883257. The next prime is 19900883263. The reversal of 19900883259 is 95238800991.

It is not a de Polignac number, because 19900883259 - 2¹ = 19900883257 is a prime.

It is a super-2 number, since 2×19900883259² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19900883251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1105604617 + ... + 1105604634.

Almost surely, 2^19900883259 is an apocalyptic number.

19900883259 is a deficient number, since it is larger than the sum of its proper divisors (8844837017).

19900883259 is a wasteful number, since it uses less digits than its factorization.

19900883259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211209257 (or 2211209254 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 19900883259 in words is "nineteen billion, nine hundred million, eight hundred eighty-three thousand, two hundred fifty-nine".