2019867342 has 64 divisors (see below), whose sum is σ = 4443750720. Its totient is φ = 609222656.

The previous prime is 2019867307. The next prime is 2019867379. The reversal of 2019867342 is 2437689102.

It is a junction number, because it is equal to n+sod(n) for n = 2019867294 and 2019867303.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 758878 + ... + 761534.

It is an arithmetic number, because the mean of its divisors is an integer number (69433605).

Almost surely, 2^2019867342 is an apocalyptic number.

2019867342 is an abundant number, since it is smaller than the sum of its proper divisors (2423883378).

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

2019867342 is a wasteful number, since it uses less digits than its factorization.

2019867342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2019867342 is about 44942.9342833776. The cubic root of 2019867342 is about 1264.0791919987.

The spelling of 2019867342 in words is "two billion, nineteen million, eight hundred sixty-seven thousand, three hundred forty-two".