619343842 has 16 divisors (see below), whose sum is σ = 1012536000. Its totient is φ = 282406032.

The previous prime is 619343801. The next prime is 619343897. The reversal of 619343842 is 248343916.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 619343795 and 619343804.

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 7 ways as a sum of consecutive naturals, for example, 141342 + ... + 145657.

It is an arithmetic number, because the mean of its divisors is an integer number (63283500).

Almost surely, 2^619343842 is an apocalyptic number.

619343842 is a deficient number, since it is larger than the sum of its proper divisors (393192158).

619343842 is a wasteful number, since it uses less digits than its factorization.

619343842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287097.

The product of its digits is 124416, while the sum is 40.

The square root of 619343842 is about 24886.6197383253. The cubic root of 619343842 is about 852.4009818403.

The spelling of 619343842 in words is "six hundred nineteen million, three hundred forty-three thousand, eight hundred forty-two".