19159422752 has 18 divisors (see below), whose sum is σ = 37721655153. Its totient is φ = 9579319872.

The previous prime is 19159422697. The next prime is 19159422791. The reversal of 19159422752 is 25722495191.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 16333862416 + 2825560336 = 127804^2 + 53156^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=97876.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19159422697 and 19159422706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 770774 + ... + 795242.

Almost surely, 2^19159422752 is an apocalyptic number.

It is an amenable number.

19159422752 is a deficient number, since it is larger than the sum of its proper divisors (18562232401).

19159422752 is an frugal number, since it uses more digits than its factorization.

19159422752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48948 (or 24471 counting only the distinct ones).

The product of its digits is 453600, while the sum is 47.

The spelling of 19159422752 in words is "nineteen billion, one hundred fifty-nine million, four hundred twenty-two thousand, seven hundred fifty-two".