19269269231 has 4 divisors (see below), whose sum is σ = 19375729464. Its totient is φ = 19162809000.

The previous prime is 19269269213. The next prime is 19269269267. The reversal of 19269269231 is 13296296291.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19269269231 is a prime.

It is a super-4 number, since 4×19269269231⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19269269231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19269269281) 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, 53229845 + ... + 53230206.

It is an arithmetic number, because the mean of its divisors is an integer number (4843932366).

Almost surely, 2^19269269231 is an apocalyptic number.

19269269231 is a deficient number, since it is larger than the sum of its proper divisors (106460233).

19269269231 is a wasteful number, since it uses less digits than its factorization.

19269269231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106460232.

The product of its digits is 629856, while the sum is 50.

The spelling of 19269269231 in words is "nineteen billion, two hundred sixty-nine million, two hundred sixty-nine thousand, two hundred thirty-one".