19226147029 has 4 divisors (see below), whose sum is σ = 19226466880. Its totient is φ = 19225827180.

The previous prime is 19226147009. The next prime is 19226147033. The reversal of 19226147029 is 92074162291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19226147029 - 2⁹ = 19226146517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19226147009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39567 + ... + 200044.

It is an arithmetic number, because the mean of its divisors is an integer number (4806616720).

Almost surely, 2^19226147029 is an apocalyptic number.

It is an amenable number.

19226147029 is a deficient number, since it is larger than the sum of its proper divisors (319851).

19226147029 is an equidigital number, since it uses as much as digits as its factorization.

19226147029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319850.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 19226147029 in words is "nineteen billion, two hundred twenty-six million, one hundred forty-seven thousand, twenty-nine".