1919335442 has 16 divisors (see below), whose sum is σ = 2889836352. Its totient is φ = 956064240.

The previous prime is 1919335433. The next prime is 1919335459. The reversal of 1919335442 is 2445339191.

It is a self number, because there is not a number n which added to its sum of digits gives 1919335442.

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, 765563 + ... + 768065.

It is an arithmetic number, because the mean of its divisors is an integer number (180614772).

Almost surely, 2^1919335442 is an apocalyptic number.

1919335442 is a deficient number, since it is larger than the sum of its proper divisors (970500910).

1919335442 is a wasteful number, since it uses less digits than its factorization.

1919335442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793.

The product of its digits is 116640, while the sum is 41.

The square root of 1919335442 is about 43810.2207481314. The cubic root of 1919335442 is about 1242.7495874852.

The spelling of 1919335442 in words is "one billion, nine hundred nineteen million, three hundred thirty-five thousand, four hundred forty-two".