19284771042 has 12 divisors (see below), whose sum is σ = 41783670630. Its totient is φ = 6428257008.

The previous prime is 19284771041. The next prime is 19284771043. The reversal of 19284771042 is 24017748291.

It is an interprime number because it is at equal distance from previous prime (19284771041) and next prime (19284771043).

It can be written as a sum of positive squares in only one way, i.e., 14325935481 + 4958835561 = 119691^2 + 70419^2 .

It is not an unprimeable number, because it can be changed into a prime (19284771041) 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 5 ways as a sum of consecutive naturals, for example, 535688067 + ... + 535688102.

Almost surely, 2^19284771042 is an apocalyptic number.

19284771042 is an abundant number, since it is smaller than the sum of its proper divisors (22498899588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19284771042 is a wasteful number, since it uses less digits than its factorization.

19284771042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071376177 (or 1071376174 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 19284771042 in words is "nineteen billion, two hundred eighty-four million, seven hundred seventy-one thousand, forty-two".