19698803035 has 4 divisors (see below), whose sum is σ = 23638563648. Its totient is φ = 15759042424.

The previous prime is 19698803021. The next prime is 19698803087. The reversal of 19698803035 is 53030889691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19698803035 - 2¹¹ = 19698800987 is a prime.

It is a super-2 number, since 2×19698803035² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1969880299 + ... + 1969880308.

It is an arithmetic number, because the mean of its divisors is an integer number (5909640912).

Almost surely, 2^19698803035 is an apocalyptic number.

19698803035 is a deficient number, since it is larger than the sum of its proper divisors (3939760613).

19698803035 is an equidigital number, since it uses as much as digits as its factorization.

19698803035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939760612.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 19698803035 in words is "nineteen billion, six hundred ninety-eight million, eight hundred three thousand, thirty-five".