19535133122 has 18 divisors (see below), whose sum is σ = 30639253113. Its totient is φ = 9340715472.

The previous prime is 19535133089. The next prime is 19535133139. The reversal of 19535133122 is 22133153591.

It can be written as a sum of positive squares in 2 ways, for example, as 19510223041 + 24910081 = 139679^2 + 4991^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=98831.

It is a super-2 number, since 2×19535133122² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4544078 + ... + 4548374.

Almost surely, 2^19535133122 is an apocalyptic number.

19535133122 is a deficient number, since it is larger than the sum of its proper divisors (11104119991).

19535133122 is an frugal number, since it uses more digits than its factorization.

19535133122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8642 (or 4322 counting only the distinct ones).

The product of its digits is 24300, while the sum is 35.

The spelling of 19535133122 in words is "nineteen billion, five hundred thirty-five million, one hundred thirty-three thousand, one hundred twenty-two".