19698089153 has 4 divisors (see below), whose sum is σ = 19700098608. Its totient is φ = 19696079700.

The previous prime is 19698089087. The next prime is 19698089197. The reversal of 19698089153 is 35198089691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19698089153 - 2¹⁴ = 19698072769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19698089092 and 19698089101.

It is not an unprimeable number, because it can be changed into a prime (19698089753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989951 + ... + 1009652.

It is an arithmetic number, because the mean of its divisors is an integer number (4925024652).

Almost surely, 2^19698089153 is an apocalyptic number.

It is an amenable number.

19698089153 is a deficient number, since it is larger than the sum of its proper divisors (2009455).

19698089153 is an equidigital number, since it uses as much as digits as its factorization.

19698089153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009454.

The product of its (nonzero) digits is 4199040, while the sum is 59.

The spelling of 19698089153 in words is "nineteen billion, six hundred ninety-eight million, eighty-nine thousand, one hundred fifty-three".