19012041029 has 4 divisors (see below), whose sum is σ = 19079699820. Its totient is φ = 18944382240.

The previous prime is 19012041023. The next prime is 19012041053. The reversal of 19012041029 is 92014021091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8077156129 + 10934884900 = 89873^2 + 104570^2 .

It is a cyclic number.

It is not a de Polignac number, because 19012041029 - 2²⁰ = 19010992453 is a prime.

It is a super-2 number, since 2×19012041029² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19012040992 and 19012041010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19012041023) 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, 33828974 + ... + 33829535.

It is an arithmetic number, because the mean of its divisors is an integer number (4769924955).

Almost surely, 2^19012041029 is an apocalyptic number.

It is an amenable number.

19012041029 is a deficient number, since it is larger than the sum of its proper divisors (67658791).

19012041029 is an equidigital number, since it uses as much as digits as its factorization.

19012041029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67658790.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 19012041029 in words is "nineteen billion, twelve million, forty-one thousand, twenty-nine".