19834053073 has 4 divisors (see below), whose sum is σ = 19834460260. Its totient is φ = 19833645888.

The previous prime is 19834053037. The next prime is 19834053097. The reversal of 19834053073 is 37035043891.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37035043891 = 29 ⋅1277070479.

It can be written as a sum of positive squares in 2 ways, for example, as 18155676049 + 1678377024 = 134743^2 + 40968^2 .

It is a cyclic number.

It is not a de Polignac number, because 19834053073 - 2⁹ = 19834052561 is a prime.

It is a super-2 number, since 2×19834053073² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19834053023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118740 + ... + 231877.

It is an arithmetic number, because the mean of its divisors is an integer number (4958615065).

Almost surely, 2^19834053073 is an apocalyptic number.

It is an amenable number.

19834053073 is a deficient number, since it is larger than the sum of its proper divisors (407187).

19834053073 is an equidigital number, since it uses as much as digits as its factorization.

19834053073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407186.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 19834053073 in words is "nineteen billion, eight hundred thirty-four million, fifty-three thousand, seventy-three".