19053385156 has 27 divisors (see below), whose sum is σ = 36112403271. Its totient is φ = 8792213664.

The previous prime is 19053385139. The next prime is 19053385159. The reversal of 19053385156 is 65158335091.

The square root of 19053385156 is 138034.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 15403292100 + 3650093056 = 124110^2 + 60416^2 .

It is a super-2 number, since 2×19053385156² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19053385159) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 3586230 + ... + 3591538.

Almost surely, 2^19053385156 is an apocalyptic number.

19053385156 is the 138034-th square number.

It is an amenable number.

19053385156 is a deficient number, since it is larger than the sum of its proper divisors (17059018115).

19053385156 is an frugal number, since it uses more digits than its factorization.

19053385156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10648 (or 5324 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 19053385156 in words is "nineteen billion, fifty-three million, three hundred eighty-five thousand, one hundred fifty-six".