19599228098 has 6 divisors (see below), whose sum is σ = 29399139129. Its totient is φ = 9799515056.

The previous prime is 19599228097. The next prime is 19599228101. The reversal of 19599228098 is 89082299591.

It can be written as a sum of positive squares in 2 ways, for example, as 13683618529 + 5915609569 = 116977^2 + 76913^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=98993.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19599228098.

It is not an unprimeable number, because it can be changed into a prime (19599228097) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 148490 + ... + 247482.

Almost surely, 2^19599228098 is an apocalyptic number.

19599228098 is a deficient number, since it is larger than the sum of its proper divisors (9799911031).

19599228098 is an frugal number, since it uses more digits than its factorization.

19599228098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197988 (or 98995 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 62.

The spelling of 19599228098 in words is "nineteen billion, five hundred ninety-nine million, two hundred twenty-eight thousand, ninety-eight".