19992089342 has 16 divisors (see below), whose sum is σ = 30085398000. Its totient is φ = 9963647232.

The previous prime is 19992089329. The next prime is 19992089353. The reversal of 19992089342 is 24398029991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2466248 + ... + 2474340.

It is an arithmetic number, because the mean of its divisors is an integer number (1880337375).

Almost surely, 2^19992089342 is an apocalyptic number.

19992089342 is a deficient number, since it is larger than the sum of its proper divisors (10093308658).

19992089342 is a wasteful number, since it uses less digits than its factorization.

19992089342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11947.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The spelling of 19992089342 in words is "nineteen billion, nine hundred ninety-two million, eighty-nine thousand, three hundred forty-two".