19042231369 has 16 divisors (see below), whose sum is σ = 24044560128. Its totient is φ = 14693893632.

The previous prime is 19042231367. The next prime is 19042231379. The reversal of 19042231369 is 96313224091.

It is a cyclic number.

It is not a de Polignac number, because 19042231369 - 2¹ = 19042231367 is a prime.

It is a super-2 number, since 2×19042231369² (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 (19042231367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3475932 + ... + 3481405.

It is an arithmetic number, because the mean of its divisors is an integer number (1502785008).

Almost surely, 2^19042231369 is an apocalyptic number.

It is an amenable number.

19042231369 is a deficient number, since it is larger than the sum of its proper divisors (5002328759).

19042231369 is a wasteful number, since it uses less digits than its factorization.

19042231369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6957384.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 19042231369 in words is "nineteen billion, forty-two million, two hundred thirty-one thousand, three hundred sixty-nine".