19433983442 has 8 divisors (see below), whose sum is σ = 29152090236. Its totient is φ = 9716620032.

The previous prime is 19433983417. The next prime is 19433983463. The reversal of 19433983442 is 24438933491.

It can be written as a sum of positive squares in 2 ways, for example, as 19243515841 + 190467601 = 138721^2 + 13801^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115103 + ... + 228290.

Almost surely, 2^19433983442 is an apocalyptic number.

19433983442 is a deficient number, since it is larger than the sum of its proper divisors (9718106794).

19433983442 is a wasteful number, since it uses less digits than its factorization.

19433983442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371692.

The product of its digits is 2239488, while the sum is 50.

The spelling of 19433983442 in words is "nineteen billion, four hundred thirty-three million, nine hundred eighty-three thousand, four hundred forty-two".