619803912 has 64 divisors (see below), whose sum is σ = 1907095680. Its totient is φ = 163464192.

The previous prime is 619803893. The next prime is 619803923. The reversal of 619803912 is 219308916.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139713 + ... + 144080.

It is an arithmetic number, because the mean of its divisors is an integer number (29798370).

Almost surely, 2^619803912 is an apocalyptic number.

It is an amenable number.

619803912 is an abundant number, since it is smaller than the sum of its proper divisors (1287291768).

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

619803912 is a wasteful number, since it uses less digits than its factorization.

619803912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283822 (or 283818 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 619803912 is about 24895.8613428015. The cubic root of 619803912 is about 852.6119938979.

The spelling of 619803912 in words is "six hundred nineteen million, eight hundred three thousand, nine hundred twelve".